regulatable 
regulatable (reg'u-la-ta-bl), a. [< regulate 
+ -able.] Capable of being regulated. E. H. 
Knight. 
regulate (reg'u-lat), v. t. ; pret. and pp. regu- 
lated, ppr. regulating. [< L. regulatus, pp. of 
rcgulare (> It. regolare = Sp. reglar, regular = 
Pg. regular, regrar = F. regler), direct, rule, 
regulate, < regula, rule: see rulei. Cf. regie, 
mil' 2 , .] 1. To adjust by rule, method, or es- 
tablished mode ; govern by or subject to cer- 
tain rules or restrictions ; direct. 
If we think to regulat Printing, thereby to rectifle man- 
ners, we must regulat all recreations and pastimes, all that 
is delightfull to man. Milton, Areopagitica, p. 23. 
When I travel, I always choose to regulate my own sup- 
per, (goldsmith, She Stoops to Conquer, ii. 1. 
One of the settled conclusions of political economy is 
that wages and prices cannot be artificially regulated. 
H. Spencer, Social Statics, p. 601. 
2. To put or keep in good order : as, to regu- 
late the disordered state of a nation or its 
finances ; to regulate the digestion. 
You must learn by trial how much half a turn of the 
screw accelerates or retards the watch per day, and after 
that you can regulate it to the utmost nicety. 
Sir E. Beckett, Clocks, Watches, and Bells, p. 800. 
3. Specifically, in musical instruments with a 
keyboard, so to adjust the action that it shall 
be noiseless, prompt, and sensitive to the touch. 
=Syn. 1. Rule, Manage, etc. See govern. 
regulating (reg'u-la-ting), i. 1. The act indi- 
cated by the verb regulate. Specifically 2. 
In rail., the work in the yard of making up 
trains, storing cars, etc. ; drilling or switch- 
ing. 
regulating-screw (reg'u-la-ting-skro), . In 
organ-building, a screw by which the dip of the 
digitals of the keyboard may be adjusted. 
regulation (reg-u-la'shon), . and a. [= F. regu- 
lation = Sp. reg'ulacion = Pg. regulagSo = It. 
regolazione, < ML. *regulatio(n-), < regulare, reg- 
ulate: see regulate.'] I. n. 1. The act of reg- 
ulating, or the state of being regulated or re- 
duced to order. 
No form of co-operation, small or great, can be carried 
on without regulation, and an implied submission to the 
regulating agencies. H. Spencer, Man vs. State, p. 39. 
2. A rule or order prescribed by a superior or 
competent authority as to the actions of those 
under its control ; a governing direction ; pre- 
cept; law: as, police regulations; more specifi- 
cally, a rule prescribed by a municipality, cor- 
poration, or society for the conduct of third per- 
sons dealing with it, as distinguished from (a) by- 
law, a term which is generally used rather with 
reference to the standing rules governing its 
own internal organization and the conduct of its 
officers and members, and (b) ordinance, which 
is generally used in the United States for the 
local legislation of municipalities. 3. In musi- 
cal instruments with a keyboard, the act or pro- 
cess of adjusting the action so that it shall be 
noiseless, prompt, and sensitive to every varia- 
tion of touch Army regulations. See army 1 *. 
General regulations, a system of ordinances for the ad- 
ministration of the affairs of the army, and for better 
prescribing the respective duties and powers of officers 
and men in the military service, and embracing all forms 
of a general character. Ives. = Syn. 1. Disposition, order- 
ing, adjustment. 2. Ordinance, Statute, etc. See lawi. 
II. a. Having a fixed or regulated pattern or 
style ; in accord with a rule or standard. [Col- 
loq.] 
The regulation mode of cutting the hair. 
Dickens, Oliver Twistj xviii. 
My regulation saddle-holsters and housings. 
Thackeray, Vanity Fair, xxx. 
regulation (reg-u-la'shon), v. t. [< regulate + 
-ion.] To bring under regulations; cause to 
conform to rules. [Rare.] 
The Javanese knows no freedom. His whole existence 
is regulationed. Quoted in Encyc. Brit., XIII. 604. 
regulative (reg'u-la-tiv), a. [< regulate + -4ve."\ 
Regulating; tending to regulate. 
Ends and uses are the regulative reasons of all existing 
things. Bushnell, Sermons for New Life, p. 12. 
It is the aim of the Dialectic to show . . . that there are 
certain ideas of reason which are regulative of all our em- 
pirical knowledge, and which also limit it. 
E. Caird, Philos. of Kant, p. 197. 
Regulative faculty, Sir W. Hamilton's name for the fac- 
ulty of principles ; the noetic faculty. Regulative Idea, 
a conception resulting from or carrying with it a regula- 
tive principle. Regulative principle, (a) In logic, the 
leading principle of an argumentation or inference; that 
general proposition whose truth is required to justify the 
habit of inference which has given rise in any case to the 
particular inference of which this proposition is said to 
be the regulative principle : opposed to coitfttitutiDe prin- 
ciple, or pre-major premise. [This use of the term origi- 
nated in the fifteenth century.] 
5051 
Which be the principles irregulatiue? The Principles 
regulatiue of a syllogisme be these two phrases of speech : 
to be spoken of all, and to be spoken of none. 
Blundeville, Arte of Logicke (ed. 1619), v. 1. 
(b) Since Kant, a rule showing what we ought to assume, 
regurgitation 
called valve-gear or valve-motion. Regulator-valve, a 
throttle-valve. 
regulatory (reg'u-la-to-ri), a. [< regula/c- 4 
-))/.] Tending to regulate ; regulative. X. Y. 
Med. Jour., XL. 476. 
without giving any assurance that the fact to be assumed re eulatreSS (reg'u-la-tres), n. [< regulator + 
is true ; or a proposition which will lead to the truth if x \tl f IpW^nlator a directrix Knialit 
it be true, while if it be false the truth cannot be at- -f" 9 -J A le .ale regul 
It UC 11 UV. W1111C 11 Ul UC IrtlOC MM H IMU ^(HII1V/U Jij i- * _ _ _ ^J ,_ O ^-A\ 
tained: such, for example, is the rule that we must not Aue. Art and Myth. (18/b), p. 
ny way. Regulative 
use Of a conception. See constitutive use of a concep- 
tion, under constitutive. 
gill UK. They are only 4 or 5 inches long, generally with a 
conspicuous colored crest. The tarsi are booted, and the 
loreduce 
regulate.'] 1. One who or that which regulates. fSe character of regulus, the condition of per- 
Members of the unauthorized associations which have at f t purity . as re gulus + -/we 1 .] Of or pertain- 
various times been formed in parts of the United States : 
for the carrying out of a rough substitute for justice in m g to a regulus. 
the case of heinous or notorious crimes have been called The reguline condition is that of the greater number of 
regulators. deposits made in electrometallurgy. 
2. A mechanical contrivance intended to pro- Jour. Franklin Inet., CXIX. 90. 
duee uniformity of motion, temperature, power, regu li ne 2 (reg'u-lin), a. In ornith., of or per- 
ete. (a) In engin. and mach. : (1) A governor in the sense taining to the Requlinse. 
described and illustrated under governor, 6. (2) A gover- _ _,isfL ( r <\tr'n V(v\ r t nret andnn 
nor employed to control the closing of the port-opening for regUllze (reg u-ilz;, t. T. , pret. anupp. 
admission of steam to the cylinderpf an automatically va- ppr. reguhztng. [< regulus + -ize.] 
riable cut-off steam-engine. This is a numerous class of to regulus. 
regulators, in which the ball-governor described under regu l us (reg'u-lus), . : pi. regutt (-11). [< L. 
governor, 6, is used to control the motion of the induction- ',,,.1,.., irttl'a IJITIO- a Vfno-'s son a kino- hep a 
valve instead of that of the throttle-valve. By leaving the ' ?',. a .little king, a kings son, a jng Dee, a 
throttle-valve fully open and closing the induction-valve small bird so called, LL. a kind ot serpent, MLi. 
earlier or later in the stroke, the steam arrives in the cylin- regulus, metallic antimony, later also applied 
der nearly at full pressure, and with its full store of avail- to various alloys and metallic products; dim. 
able heat for conversion into work by expansion. (3) An , , , /. . -, 1 r T ,.,;/;, . ( a ) 
arrangement of weights, springs, and an eccentric or ec- / rex (reg-), a king, see rex.] 1. II 
centrics, carried on the fly-wheel shaft or on the fly-wheel An old name of the goldcrest or crested wren ot 
of a steam-engine, connected with the stem of the indue- Europe ; a kinglet, (b) [cop.] [NL.] Thetypi- 
tion-valve by an eccentric-rod, and automatically varying eaj genus o f R e g H U na , ; the kinglets. The com- 
mon goldcrest of Europe is R. cristatus (see cut under 
goldcrest); the fire-crested wren of the same country is 
It. ignicapillus. The corresponding species of America 
is the golden-crowned kinglet, M. satrapa. The ruby- 
crowned kinglet is JR. calendula. See kinglet. 
2. In alchemy and early chemistry, the reduced 
or metallic mass obtained in the treatment of 
various ores, particularly those of the semi- 
metals (see metal); especially, metallic anti- 
mony (regulus antimonii) : but various alloys of 
antimony, other brittle metals, and even the 
more perfect metals were also occasionally so 
called, to indicate that they were in the me- 
tallic condition. 3. [coj>.] [NL. (Coperni- 
cus), tr. Gr. /SomJUoxof, the name of the star in 
Ptolemy.] A very white star, of magnitude 
1.4, on the heart of the Lion; a Leonis. 4. In 
geom., a ruled surface or singly infinite system 
of straight lines, where consecutive lines do 
not intersect. Dalmatian regulus. See Dalmatian. 
regur, regar (re'ger, re'gar), n. [Hind, regur, 
prop, regada, regadi, black loam (see def.), < 
reg, sand.] The name given in India to a dark- 
Regulator. 
Fig. 2. 
ities in different posi- 
a, fly-wheel shaft ; a, b, and a, 6', eccenti 
tions of the eccentrics c and rf. The eccentric c turns freely on the 
shaft a, and is actuated by links e, that are pivoted to ears formed 
on the eccentric, and are also pivoted to weights f. The weights 
have the form of curved bare, and are pivoted atone end to spokes of 
the wheel, as shown at-. The eccentric Misfitted to and turns freely 
upon the perimeter of the eccentric c. It is also connected by a link it 
to the toe of one of the weights, and is rotated on c by the motion of 
the weight toward or away from the center of the shaft a. The ec- 
centric c is also rotated on the shaft a by the motion of the weights to 
or from the center of the shaft, but it is turned in a direction opposite 
to that in which d is turned. These two eccentricities, therefore, con- 
stitute a compound eccentric, the eccentricity or "throw" of which 
these springs is more or less 
overcome by centrifugal force as the shaft a rotates with greater or "> "- j - ~i e r',""; 
less velocity. The higher the velocity the less will be the throw of Colored, loamy, Superficial depOSlt Or SOU I'lCll 
th. 
in organic matter, and often of very consider- 
> is the" least possible. Fig. 2 shows the extreme inward position of able thickness. It is distinguished by its fineness and 
SyWS^blfc&SVSS cfrrieVfenfsfmpt Teat to' o.fof the absence of forest vegetation, thus resembling in char- 
the stroke, and a very small percentage of change in the velocity is acter the black soil of southern Russia (tschernozem) and 
sufficient to change the cut-off from its least to its greatest limit. of the prairies of the Mississippi valley. 
regurgitant (re-ger'ji-tant), . [< ML. regurgi- 
the cut-off, maintaining a uniform speed of rotation under t n(t )s ^ ppr _ ' of regurgitare, regurgitate: see 
regurgitate.'} Characterized by or pertaining 
to regurgitation. 
The diseases of the valves and orifices of the heart 
which produce mechanical disorders of the circulation 
. . . are of two kinds, obstructive and regurgitant. 
conditions of widely varying work. " One of the most in- 
genious and scientific of this class is illustrated in the cut 
with an accompanying explanation. (4) A throttle-valve. 
(5) The induction-valve of a steam-engine. (6) The brake- 
band of a crab or crane which regulates the descent of a 
body raised by or suspended on a machine. (6) In heating 
apparatus : (1) A register. (2) A thermostat. (3) An au- 
tomatic draft-damper for the f urnace or fire-box of a steam- 
boiler. Also called damper-regulator, (c) In horol.: (1) 
Quain, Med. Diet., p. 623. 
Regurgitant cardiac murmurs. See murmur. 
A clock of superior order, by comparison with which regurgitate (re-ger'ji-tat), v. ; pret. and pp. re- 
other time-piece are regulated. (2) A clock which being q ur gi ta teA, ppr. regurgitating. [< ML. regurgi- 
electncally connected with other clocks at a distance, J . . J ? r\ T* , .;*,,,. 
causes them to keep time in unison with it. (S) A device tatus, pp. of regurgitare (> It. regurgitare = 
(commonly a screw and small nut) by which the bob of a Sp. Pg. regurgitar = OF. regurgiter, F. re- 
gurgiter), regurgitate, < LL. re-, back, + gurgi- 
tare, engulf, flood: see gurgitation.'] I. trans. 
To pour or cause to rush or surge back ; pour 
or throw back in great quantity. 
pendulum is raised or lowered, causing the clock to go 
faster or slower. (4) The fly of the striking mechanism of a 
clock. (See/!/l,3(a)(l).) (5) A small lever which shortens 
or lengthens the hair-spring of a watch, thus causing the 
watch to go faster or slower according as the regulator is 
moved toward a part marked F. or S. (d) In the electric 
light, the contrivance, usually an electromagnet, by which 
the carbon-points are kept at a constant distance, so that 
the light is steady (see electric light, under electric) ; or, in 
general, a contrivance for making the current produced by 
the dynamo-machines of constant strength. Many-light 
regulator, a regulator for voltaic arc-lights, controlliiig 
numerous lights on one circuit Regulator-box, (a) 
A valve-chest or -box. (6) The original valve-motion of 
Watt's double-action condensing pumping-engine. It 
was a valve-box having a spindle through one of its sides, 
on which was a toothed sector working on a central bear- 
ing, and meshing with a rack attached to a valve. A 
tripping-lever attached to the sector and operated by the 
plug-tree caused the oscillations of the latter to open and 
close the valve. Regulator-cock, one of the oil-cocks 
which admit oil to the steam-chest or valve-chest of a loco- 
For a mammal, having its grinding apparatus in its 
mouth, to gain by the habit of hurriedly swallowing un- 
masticated food, it must also have the habit of regurgitat- 
ing the food for subsequent mastication. 
H. Spencer, Prin. of Biol., 297. 
II. intrans. To be poured back ; surge or rush 
back. 
Many valves, all so situate as to give a free passage to 
the blood and other humours in their due channels, but 
not permit them to regurgitate and disturb the great cir- 
culation. Bentley. 
Nature was wont to evacuate its vicious blood out of 
these veins, which passage being stopt, it regurgitates up- 
wards to the lungs. Harvey. 
each cylinder has a separate regulator : now collectively gurgitate: see rcyuryituk:'] 1. The act of re- 
