This week’s theme
Unusual synonyms

This week’s words
poecilonym
nephalism
tachyphylaxis
nullifidian
marrowsky

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A.Word.A.Day

PRONUNCIATION:

(tak-uh-fi-LAK-sis)

MEANING:

noun: Mithridatism: Successively decreased response to a drug or a toxin over time.

ETYMOLOGY:

From Greek tachy- (swift) + phylaxis (protection). Earliest documented use: 1911.

USAGE:

“However, tachyphylaxis and skin atrophy associated with long-term use make steroids unsuitable for lengthy treatment.”
The Psoriasis Curse; New Straits Times (Kuala Lumpur, Malaysia); Mar 2, 1999.

A THOUGHT FOR TODAY: