haematoxylin

World English Dictionary
haematoxylin or (US) hematoxylin (ˌhiːməˈtɒksɪlɪn, ˌhɛm-, ˌhiːməˈtɒksɪlɪn, ˌhɛm-)
 
n
1.  a colourless or yellowish crystalline compound that turns red on exposure to light: obtained from logwood and used in dyes and as a biological stain. Formula: C16H14O6.3H2O
2.  a variant spelling of haematoxylon
 
[C19: from New Latin Haematoxylon genus name of logwood, from haemato- + Greek xulon wood + -in]
 
hematoxylin or (US) hematoxylin
 
n
 
[C19: from New Latin Haematoxylon genus name of logwood, from haemato- + Greek xulon wood + -in]

Collins
World English Dictionary
haematoxylon or haematoxylin (ˌhiːməˈtɒksɪlɒn)
 
n
any thorny leguminous tree of the genus Haematoxylon, esp the logwood, of tropical America and SW Africa. The heartwood yields the dye haematoxylin
 
[C19: see haematoxylin]
 
haematoxylin or haematoxylin
 
n
 
[C19: see haematoxylin]
 
haematoxylic or haematoxylin
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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