spongy pith

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• Pith — Pith, n. [AS. pi?a; akin to D. pit pith, kernel, LG. peddik. Cf. {Pit} a kernel.] 1. (Bot.) The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It consists of …   The Collaborative International Dictionary of English

• Pith paper — Pith Pith, n. [AS. pi?a; akin to D. pit pith, kernel, LG. peddik. Cf. {Pit} a kernel.] 1. (Bot.) The soft spongy substance in the center of the stems of many plants and trees, especially those of the dicotyledonous or exogenous classes. It… …   The Collaborative International Dictionary of English

• pith — [pith] n. [ME pithe < OE pitha, akin to MDu pitte, pit of a fruit, kernel, pith of a tree] 1. the soft, spongy tissue in the center of certain plant stems 2. the soft core of various other things, as of a bone or feather 3. the spongy, fibrous …   English World dictionary

• Pith — is a light substance that is found in vascular plants. It consists of soft, spongy parenchyma cells, and is located in the center of the stem. It is encircled by a ring of xylem (woody tissue), and outside that, a ring of phloem (bark tissue). In …   Wikipedia

• pith — /pith/, n. 1. Bot. the soft, spongy central cylinder of parenchymatous tissue in the stems of dicotyledonous plants. 2. Zool. the soft inner part of a feather, a hair, etc. 3. the important or essential part; essence; core; heart: the pith of the …   Universalium

• pith — ► NOUN 1) spongy white tissue lining the rind of citrus fruits. 2) spongy tissue in the stems and branches of many plants. 3) the true nature or essence of something. 4) vigorous and concise expression. ORIGIN Old English …   English terms dictionary

• pith — I. noun Etymology: Middle English, from Old English pitha; akin to Middle Dutch & Middle Low German pit pith, pit Date: before 12th century 1. a. a usually continuous central strand of spongy tissue in the stems of most vascular plants that… …   New Collegiate Dictionary

• pith — n. & v. n. 1 spongy white tissue lining the rind of an orange, lemon, etc. 2 the essential part; the quintessence (came to the pith of his argument). 3 Bot. the spongy cellular tissue in the stems and branches of dicotyledonous plants. 4 a… …   Useful english dictionary

• pith — noun 1》 spongy white tissue lining the rind of citrus fruits.     ↘Botany the spongy cellular tissue in the stems and branches of many higher plants.     ↘archaic spinal marrow. 2》 the true nature or essence: the pith and core of socialism. 3》… …   English new terms dictionary

• pith — /pɪθ / (say pith) noun 1. the soft, spongy lining of the rind of oranges and other citrus fruits. 2. Botany the central cylinder of parenchymatous tissue in the stems of dicotyledonous plants. 3. any of various analogous inner parts of substances …  

• spongy — spongily, adv. sponginess, n. /spun jee/, adj., spongier, spongiest. 1. of the nature of or resembling a sponge; light, porous, and elastic or readily compressible, as pith or bread. 2. having the absorbent characteristics of a sponge; absorbing… …   Universalium