pith ray
noun Date: 1902 medullary ray

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • pith ray. — See medullary ray. [1900 05] * * * …   Universalium

  • pith ray — noun : medullary ray …   Useful english dictionary

  • pith ray. — See medullary ray. [1900 05] …   Useful english dictionary

  • pith-ray fleck — noun see pith fleck …   Useful english dictionary

  • pith fleck — noun or pith ray fleck ˈ ̷ ̷ˌ ̷ ̷ : a minute spot in the wood of a tree that results from injury to the cambium by the boring of small dipterous larvae …   Useful english dictionary

  • medullary ray — noun a sheet of vascular tissue separating the vascular bundles • Syn: ↑vascular ray • Hypernyms: ↑vascular tissue * * * noun 1. : a ray of primary origin in the stele of various cryptogamous and dicotyledonous vascular plants that extends… …   Useful english dictionary

  • medullary ray — Bot. (in the stems of woody plants) one of the vertical bands or plates of unspecialized tissue that radiate between the pith and the bark. Also called pith ray. [1820 30] * * * …   Universalium

  • Ox pith — Ox Ox ([o^]ks), n.; pl. {Oxen}. [AS. oxa; akin to D. os. G. ochs, ochse, OHG. ohso, Icel. oxi, Sw. & Dan. oxe, Goth. a[ u]hsa, Skr. ukshan ox, bull; cf. Skr. uksh to sprinkle. [root]214. Cf. {Humid}, {Aurochs}.] (Zo[ o]l.) The male of bovine… …   The Collaborative International Dictionary of English

  • Medullary ray (botany) — In botany, Medullary rays refer to a characteristic found in woods. In this context the term refers to radial sheets or ribbons extending vertically through the tree across and perpendicular to the growth rings. Also called pith rays or wood rays …   Wikipedia

  • Ox ray — Ox Ox ([o^]ks), n.; pl. {Oxen}. [AS. oxa; akin to D. os. G. ochs, ochse, OHG. ohso, Icel. oxi, Sw. & Dan. oxe, Goth. a[ u]hsa, Skr. ukshan ox, bull; cf. Skr. uksh to sprinkle. [root]214. Cf. {Humid}, {Aurochs}.] (Zo[ o]l.) The male of bovine… …   The Collaborative International Dictionary of English

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