amelanoticadj.
/ˌeɪmɛləˈnɒtɪk/, U.S. /ˌeɪˌmɛləˈnɑdɪk/, /əˌmɛləˈnɑdɪk/ That does not contain or produce the dark pigment melanin; lacking pigmentation by melanin.Often used with reference to melanomas.
ΚΠ
1914 Ann. Surg. 60 95 It would seem from this that even in the amelanotic tumors a substance is produced which needs only oxidation in order to become pigmented.
1988 Jrnl. Amer. Acad. Dermatol. 19 241/1 Patches of vitiligo are amelanotic rather than hypomelanotic because of the loss of melanocytes.
2001 Laurel (Mississippi) Leader-Call 29 Mar. e9/5 Amelanotic melanoma is a melanoma that does not produce enough pigment to have the color of a pigmented lesion.
This entry has been updated (OED Third Edition, March 2020; most recently modified version published online December 2021).
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adj.1914- spread oneself too thin
- spread spectrum
- spread window glass
- spread-eagle orchid
- spread-eagle-wise
- spread-eagleism
- spread-eagleist
- spread-head
- spread-head snake
- spread-headed
- spread-kneed
- spread-legged
- spread-lipped
- spread-out
- spread-over
- spread-over shift
- spread-winged
- spreadabilities
- spreadability
- spreadable
- spreadabler
- spreadablest
- spreadation
- spreadbat
- spreadeagle