URCHIN
\ˈɜːt͡ʃɪn], \ˈɜːtʃɪn], \ˈɜː_tʃ_ɪ_n]\
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A sea urchin.
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A mischievous elf supposed sometimes to take the form a hedgehog.
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Rough; pricking; piercing.
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A pert or roguish child; - now commonly used only of a boy.
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One of a pair in a series of small card cylinders, arranged around a carding drum; - so called from its fancied resemblance to the hedgehog.
By Oddity Software
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A sea urchin.
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A mischievous elf supposed sometimes to take the form a hedgehog.
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Rough; pricking; piercing.
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A pert or roguish child; - now commonly used only of a boy.
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One of a pair in a series of small card cylinders, arranged around a carding drum; - so called from its fancied resemblance to the hedgehog.
By Noah Webster.
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A sea urchin.
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A mischievous boy.
By James Champlin Fernald
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.