PASSIVATION

Etymology

Noun

passivation (countable and uncountable, plural passivations)

(chemistry, materials science) The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.

(chemistry) The spontaneous formation of a hard non-reactive surface film (usually an oxide or nitride) that inhibits further corrosion.

(control theory) Conversion of a non-passive dynamical system into a passive one.

Source: Wiktionary



RESET



Word of the Day

20 November 2024

ENEMA

(noun) an injection of a liquid through the anus to stimulate evacuation; sometimes used for diagnostic purposes


coffee icon

Coffee Trivia

The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.

coffee icon