(biology) All the interactions between biological entities in cells and organisms considered as a whole.

(Malaysia, Singapore) Misua; a very thin variety of salted Chinese noodles made from wheat flour.

Synonym of porphyrogenite

(uncountable) A method of spacecraft propulsion (electric propulsion) that provides thrust by heating a (typically non-reactive) fluid. / (countable) A spacecraft that uses such method of propulsion.