efflorescence

Definitions

1. 1.(Med.) A redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc.
2. 2.(Chem.) (a) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc. (b) The powder or crust thus formed.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "efflorescence" mean?

Reverse-dictionary questions

Definition-first questions whose answer is efflorescence.

• What is a redness of the skin; eruption, as in rash, measles, smallpox, scarlatina, etc called?
• What is (a) The formation of the whitish powder or crust on the surface of efflorescing bodies, as salts, etc. (b) The powder or crust thus formed called?