変

Botany

bud sport; bud mutation; bud variation

Linguistics

indeclinable; particle

Physics

invariant mass

Abbreviation

irregular conjugation of z-stem verbs; conjugation of verbs ending in "zu" or "zuru"

verb ending in "zu" or "zuru" (predecessor of modern -jiru verbs)

verb formed by adding "zuru" to a noun

Astronomy

cataclysmic variable; cataclysmic variable star; CV

deterioration; change for the worse

Electronics

variable capacity; variable capacitance

Mathematics

transformation (of a formula or expression); deformation

Colloquial

changing the flavor of a dish in the middle of a meal by adding condiments, seasoning, etc.

phase change

Chemistry

tautomerism

Chemistry

tautomer

Proverb

the world is a scene of constant changes; a mulberry field changes into a blue sea

Mathematics

linear transformation

frequency modulation; FM

amplitude modulation; AM

seasonal variation

Mathematics

mediator variable; parameter

plastic deformation

signal converter; inverter

bound variable

latitude variation