a : an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried. — called also caoutchouc, india rubber. b : any of various synthetic rubberlike substances.
Thereof, how would you describe rubber?
Rubber is a strong, waterproof, elastic substance made from the juice of a tropical tree or produced chemically. It is used for making tyres, boots, and other products. … A rubber is a small piece of rubber or other material that is used to remove mistakes that you have made while writing or drawing.
Beside above, what are the types of natural rubber?
10 common types of rubber
- Natural Rubber (NR) Natural rubber (Isoprene) is derived from the latex sap of the Pará rubber tree (hevea brasiliensis). …
- Styrene-butadiene rubber (SBR) …
- Butyl (IIR) …
- Nitrile (NBR) …
- Neoprene® (CR) …
- Ethylene Propylene Diene Monomer (EPDM) …
- Silicone (Q) …
- Viton® (FKM)
What does rubber mean in USA?
Every Australian knows a rubber is a small stationery item used to correct pencil mistakes, and is more formally known as an eraser. But in the United States, the word “rubber” is a euphemism for condom.
What is a rubber in old England?
Rubber. This is an informal way of saying condom on the US – so a rubber is a contraceptive. We just call them condoms in the UK. And we use rubbers to remove pencil marks from paper. That’s an eraser.
What is another meaning for rubber?
In this page you can discover 52 synonyms, antonyms, idiomatic expressions, and related words for rubber, like: stretchable, rubbery, soft, resilient, rubber eraser, stretching, elastic, buoyant, band, material and overshoe.
What is rubber slang for?
As the following links show, using the word rubber to mean a condom, is American slang: US slang for a condom (Cambridge Dictionaries Online)
What is the definition of rubber in chemistry?
Rubber is an elastomer—that is, a polymer that has the ability to regain its original shape after being deformed. Rubber is also tough and resistant to weathering and chemical attack. … For a substance to be a useful elastomer it must possess a high molecular weight and a flexible polymer chain.
What is the properties of rubber?
It has excellent tensile, elongation, tear resistance and resilience. It has good abrasion resistance and excellent low temperature flexibility. Without special additives, it has poor resistance to ozone, oxygen, sunlight and heat. It has poor resistance to solvents and petroleum products.
What trees produce rubber?
The major commercial source of natural rubber latex is the Amazonian rubber tree (Hevea brasiliensis), a member of the spurge family, Euphorbiaceae. This species is preferred because it grows well under cultivation. A properly managed tree responds to wounding by producing more latex for several years.
What’s the opposite of rubber?
What is the opposite of rubber?
| ignore | abhor |
|---|---|
| disregard | forget |
| glance | hate |
| miss | neglect |
| overlook | scorn |
Who coined the term rubber?
The meaning “elastic substance from tropical plants” (short for India rubber) first recorded 1788, introduced to Europe 1744 by Charles Marie de la Condamine, so called because it originally was used as an eraser. Meaning “overshoe made of rubber” is 1842, American English; slang sense of “condom” is by 1930s.
Why is it called rubber?
The word’s origins can be traced back to the 1600s, when the English used the term “rubber” as a reference to an object used for rubbing, or cleaning. The term found its way into the popular 16th century game of lawn bowling, which is similar to bocce ball.