What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
Definition of melanize in US English:
melanize
(also melanise)
verb
Biology1with object To subject to melanization; to cause the production or accumulation of melanin in or around (especially as a physiological defence mechanism in insects).
2no object To undergo melanization; to darken as a result of melanin formation.
Origin
1960s. From melano- + -ize, after melanized and melanization.
