microscope

Device for examining objects too small to be seen with the naked eye.

valve

A device that regulates flow in a fluid, especially one that only allows fluid to pass in one direction.

turbine, propeller

A device with several angled blades, which converts a fluid's unidirectional motion into rotary motion (as in a turbine) or vice versa (as in a…

pus

Matter produced by an infected wound.

arsenic

Element number 33, with the symbol As. An important micronutrient in some non-human lifeforms, and in the TOS novel "Doctor's Orders", said to be a…

Singular "deflector"

begh has the gloss of "deflectors" but there doesn't appear to be a word for a single deflector

condom

A piece of latex used as contraception, or to protect against STDs

void

The deep void of outer space is not actually empty; particles do exist there.

favor

an act done out of goodwill rather than from justice or remuneration

peach

a stone fruit of the species Prunus persica, a pink/orange colour and covered with fuzz