Noun

(laboratories)

A room, building or institution equipped for scientific research, experimentation or analysis.

A place where chemicals, drugs or microbes are prepared or manufactured.

*{{quote-magazine, date=2014-06-21, volume=411, issue=8892, magazine=(The Economist)

, title= Magician’s brain , passage=[Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory . He believed that the Bible contained numerological codes.}}

Noun

(en noun)

The central part, usually cylindrical, of a wheel; the nave.

A point where many routes meet and traffic is distributed, dispensed or diverted.

* {{quote-magazine, date=2013-06-08, volume=407, issue=8839, page=52, magazine=(The Economist)

, title= The new masters and commanders , passage=From the ground, Colombo’s port does not look like much.

(computing) A computer networking device connecting several ethernet ports. See switch .

(surveying) A stake with a nail in it, used to mark a temporary point.

A male weasel; a buck; a dog; a jack.

(obsolete) The hilt of a weapon.

(Halliwell)

(US) A rough protuberance or projecting obstruction.

a hub in the road

A goal or mark at which quoits, etc., are thrown.

A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc.

A screw hob.

A block for scotching a wheel.