TYLOSE

ty·lo·sis

[tahy-loh-sis]
noun, plural ty·lo·ses [-seez] . Botany.
a bubblelike formation in the cavity of tracheids or vessels in the wood of trees, consisting of protoplasm intruded from adjacent parenchyma cells.
Also, ty·lose.


Origin:
1875–80; < Greek týlōsis act of making callous, equivalent to tylō-, variant stem of tyloûn to make callous, hard, derivative of týlos callus, lump, knob + -sis -sis

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World English Dictionary
tylosis (taɪˈləʊsɪs) [Click for IPA pronunciation guide]
 
n
botany a bladder-like outgrowth from certain cells in woody tissue that extends into and blocks adjacent conducting xylem cells
 
[C19: from Greek tulōsis, from tulos knob or tulē callus + -osis]

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00:10
Tylose is always a great word to know.
So is interrobang. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
American Heritage
Medical Dictionary

tylosis ty·lo·sis (tī-lō'-sĭs)
n. pl. ty·lo·ses (-sēz)

  1. Inflammation of the eyelids, characterized by thickening and hardening of the edges.

  2. A thickening of the horny layer of the skin as a result of chronic pressure or friction.

The American Heritage® Stedman's Medical Dictionary
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