efflux
efflux Lexical Profile
efflux Game Scores & Validity
• noun
The flowing out of a particular substance, fluid, or particle.
"The continuous efflux of sodium ions from the cell is vital for maintaining the resting membrane potential."
Something that flows out or is emitted from a source.
"The scientists measured the chemical composition of the gaseous efflux escaping from the volcanic crater."
The passing away or expiration, especially of time.
"By the simple efflux of time, the restrictive covenants in the deed became null and void."
• verb
To flow out or issue forth from a source.
"During the experiment, the liquid was observed to efflux rapidly from the containment vessel."
To pass away or elapse (used especially of time).
"As the allotted period effluxed, the temporary agreement automatically terminated."
Word Nuance & Usage
Efflux is predominantly used in specialized scientific, medical, and legal contexts (e.g., 'cellular efflux', 'efflux of time') and is rarely encountered in everyday conversational English, where 'outflow' is preferred.
Word Origin & Etymology
From Late Latin 'effluxus', from the verb 'effluere' meaning 'to flow out', formed by 'ex-' (out) and 'fluere' (to flow).
Usage Trend
Historical frequency of usage in published text.