Found 2 items, similar to Hard rubber.
English → English
Definition: hard rubber
n : a hard nonresilient rubber formed by vulcanizing natural
rubber [syn: vulcanite
English → English
Definition: Hard rubber
(h[aum]rd), a. [Compar. Harder
.] [OE. hard, heard, AS. heard; akin to OS. & D.
hard, G. hart, OHG. herti, harti, Icel. har[eth]r, Dan.
haard, Sw. h[*a]rd, Goth. hardus, Gr. kraty`s strong,
ka`rtos, kra`tos, strength, and also to E. -ard, as in
coward, drunkard, -crat, -cracy in autocrat, democracy; cf.
Skr. kratu strength, k[.r] to do, make. Cf. Hardy
1. Not easily penetrated, cut, or separated into parts; not
yielding to pressure; firm; solid; compact; -- applied to
material bodies, and opposed to soft
; as, hard wood;
hard flesh; a hard apple.
2. Difficult, mentally or judicially; not easily apprehended,
decided, or resolved; as a hard problem.
The hard causes they brought unto Moses. --Ex.
In which are some things hard to be understood. --2
Peter iii. 16.
3. Difficult to accomplish; full of obstacles; laborious;
fatiguing; arduous; as, a hard task; a disease hard to
4. Difficult to resist or control; powerful.
The stag was too hard for the horse. --L'Estrange.
A power which will be always too hard for them.
5. Difficult to bear or endure; not easy to put up with or
consent to; hence, severe; rigorous; oppressive;
distressing; unjust; grasping; as, a hard lot; hard times;
hard fare; a hard winter; hard conditions or terms.
I never could drive a hard bargain. --Burke.
6. Difficult to please or influence; stern; unyielding;
obdurate; unsympathetic; unfeeling; cruel; as, a hard
master; a hard heart; hard words; a hard character.
7. Not easy or agreeable to the taste; harsh; stiff; rigid;
ungraceful; repelling; as, a hard style.
Figures harder than even the marble itself.
8. Rough; acid; sour, as liquors; as, hard cider.
9. (Pron.) Abrupt or explosive in utterance; not aspirated,
sibilated, or pronounced with a gradual change of the
organs from one position to another; -- said of certain
consonants, as c in came, and g in go, as distinguished
from the same letters in center, general, etc.
10. Wanting softness or smoothness of utterance; harsh; as, a
(a) Rigid in the drawing or distribution of the figures;
formal; lacking grace of composition.
(b) Having disagreeable and abrupt contrasts in the
coloring or light and shade.
, Hard case
, etc. See under Cancer
, or Hard-shelled clam
(Zo["o]l.), the quahog.
, anthracite, as distinguished from bituminous coal
Hard and fast
. (Naut.) See under Fast
(Arch.), a smooth finishing coat of hard fine
plaster applied to the surface of rough plastering.
, hardship; difficult conditions.
, coin or specie, as distinguished from paper
(Zo["o]l.), the northern native oyster. [Local,
, the hard stratum of earth lying beneath the soil;
hence, figuratively, the firm, substantial, fundamental
part or quality of anything; as, the hard pan of
character, of a matter in dispute, etc. See Pan
. See under Rubber
. See under Solder
, water, which contains lime or some mineral
substance rendering it unfit for washing. See Hardness
, wood of a solid or hard texture; as walnut, oak,
ash, box, and the like, in distinction from pine, poplar,
In hard condition
, in excellent condition for racing;
having firm muscles; -- said of race horses.
Syn: Solid; arduous; powerful; trying; unyielding; stubborn;
stern; flinty; unfeeling; harsh; difficult; severe;
obdurate; rigid. See Solid
, and Arduous
1. One who, or that which, rubs. Specifically:
(a) An instrument or thing used in rubbing, polishing, or
(b) A coarse file, or the rough part of a file.
(c) A whetstone; a rubstone.
(d) An eraser, usually made of caoutchouc or a synthetic
(e) The cushion of an electrical machine.
(f) One who performs massage, especially in a Turkish
(g) Something that chafes or annoys; hence, something that
grates on the feelings; a sarcasm; a rub. --Thackeray.
2. In some games, as bridge or whist, the odd game, as the
third or the fifth, which decides the winner when there is
a tie between the players; as, to play the rubber; also, a
contest determined by the winning of two out of three
games; as, to play a rubber of whist. --Beaconsfield. “A
rubber of cribbage.”
3. India rubber; caoutchouc; gum elastic; -- also called
[1913 Webster +PJC]
4. Any substance, whether natural or synthetic, resembling
India rubber with respect to its elasticity.
5. A low-cut overshoe made of natural or synthetic rubber,
serving to keep the feet and shoes dry when walking in the
rain or on a wet surface; -- usually used in the plural.
6. A condom
, an elastic durable variety of vulcanized
caoutchouc of a red color. It contains antimony sulphide
as an important constituent.
, a kind of vulcanized caoutchouc which nearly
resembles horn in texture, rigidity, etc.
, caoutchouc. See Caoutchouc
, cloth covered with caoutchouc for excluding
water or moisture.
(Dentistry), a shield of thin sheet rubber
clasped around a tooth to exclude saliva from the tooth.