(taxonomy) A collection of organisms that is given formal recognition at the rank of genus with a taxonomic name, but which is known to be an artificial group rather than a natural one.

plural of form taxon

Having an unconventional, variable or asymmetric form. / (role-playing games) Referring to a roleplaying game which does not use a formal system of rules.

A free-form shape or artwork.

(formal, euphemistic) Addictive; likely to cause dependence or recurrence of use.

(physics) The ratio of the RMS value to the absolute mean of a sinusoidal wave (especially to that of an alternating current)

plural of form factor

(mathematics, computing) A standard or normal presentation of a mathematical entity or a text string, etc.

(linguistics, computing) Correctly written; syntactically correct; expressed in a way that obeys rules for constructing formulas in a certain language.

A simple tailor's dummy with no head or limbs