(countable) The method in which individuals are grouped together into families that live together. / (countable) A group of individuals who are related by blood and/or by marriage.

(transitive) To convert into a colloid.

(organic chemistry) Any compound containing two acridine moieties (fused or otherwise linked)

(uncountable) The state of being motile (moving) / (countable) The degree to which something is motile