(chemistry) any of a class of organic compounds containing a cyano functional group -C?N
* nitrile rubber
The substance was originally named for its ability to function as an eraser. The senses not having to do with rubbing or erasing are secondarily derived from the name of the substance.
(uncountable) Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene.
(uncountable, countable) Synthetic materials with the same properties as natural rubber.
(countable, UK) An eraser.
* 2006 , Lisa Kervin, Research for Educators ,
* 2010 , Anna Jacobs, Beyond the Sunset ,
- For example, they may use paddle pop sticks, hand span, pencils, rubbers , mathematics equipment (i.e. base 10 material) or anything else the teacher can find to measure the lengths of nominated objects.
* 2011 , Patrick Lindsay, The Spirit of the Digger , Revised edition,
- Drawing materials,'' he thought, ''I used to love drawing as a lad. I can afford some plain paper and pencils, surely? And a rubber''', too.'' He smiled at the memory of an elderly uncle, also fond of drawing, who?d always called ' rubbers ‘lead eaters’.
(countable, North America, slang) A condom.
Not covered by funds on account.
(countable) Someone or something which rubs.
* 1949 , LIFE (11 July 1949, page 21)
- Stan stole a diary and some pens, pencils, ink and rubbers during his early days as a POW working on the Singapore docks.
(countable, baseball) The rectangular pad on the pitcher's mound from which the pitcher must pitch.
- What perplexity plagues the chin-rubber in the foreground and what so discourages the man leaning on the lamp post? And to what doom is the large man at right moving? Photographer Cowherd has no answers.
(North America, in the plural) Water resistant shoe covers, galoshes, overshoes.
- Jones toes the rubber and then fires to the plate.
(uncountable, slang) Tires, particularly racing tires.
- Johnny, don't forget your rubbers today.
- Jones enters the pits to get new rubber .
* (condom) see .
* rubber band
* rubber bullet
* rubber johnny
* rubber jungle
* rubber plant
* rubber policeman
* rubber room
* rubber tree
(sports) A series of an odd number of games or matches of which a majority must be won (thus precluding a tie), especially a match consisting of the best of a series of three games in bridge or whist.
* 1907 May 25, in The Publishers' Weekly , number 1843, page 1608 [http://books.google.com/books?id=ZCADAAAAYAAJ&dq=%22her%20grand-aunt%22&pg=PA1608#v=onepage&q=%22her%20grand-aunt%22&f=false]:
(sports) A game or match played to break a tie.
The game of rubber bridge.
- an old lady's innocent rubber .
- "Still, I confess that I miss my rubber'. It is the first Saturday night for seven-and-twenty years that I have not had my ' rubber ." "I think you will find that you will play for a higher stake to-night than you have ever done yet, and that the play will be more exciting."
* burn rubber
* dead rubber