stem base
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Stem-loop — intramolecular base pairing is a pattern that can occur in single stranded DNA or, more commonly, in RNA. The structure is also known as a hairpin or hairpin loop. It occurs when two regions of the same molecule, usually palindromic (reads the… … Wikipedia
stem — stem1 [stem] n. [ME < OE stemn, stefn, akin to Ger stamm, tree trunk < IE base * stebh , post, pole > STEP, STAFF1] 1. the main upward growing axis of a plant, having nodes and bearing leaves, usually extending in a direction opposite to … English World dictionary
Stem — (st[e^]m), n. [AS. stemn, stefn, st[ae]fn; akin to OS. stamn the stem of a ship, D. stam stem, steven stem of a ship, G. stamm stem, steven stem of a ship, Icel. stafn, stamn, stem of a ship, stofn, stomn, stem, Sw. stam a tree trunk, Dan. stamme … The Collaborative International Dictionary of English
Stem leaf — Stem Stem (st[e^]m), n. [AS. stemn, stefn, st[ae]fn; akin to OS. stamn the stem of a ship, D. stam stem, steven stem of a ship, G. stamm stem, steven stem of a ship, Icel. stafn, stamn, stem of a ship, stofn, stomn, stem, Sw. stam a tree trunk,… … The Collaborative International Dictionary of English
Stem — may also refer to:* a Scanning Transmission Electron Microscope (STEM) or Scanning Transmission Electron Microscopy (STEM) * STEM fields, Science, Technology, Engineering, and Mathematics, collectively considered core technological underpinnings… … Wikipedia
Stem duchy — Stem duchies (from the German Stammesherzogtum , literally tribal duchy ) were associated with the Frankish Kingdom, especially the East, in the Early Middle Ages. In contrast to later duchies, these entities were not defined by strict… … Wikipedia
stem — [ stɛm ] n. m. VAR. stemm • 1934, 1924; mot norv. ♦ Ski Virage accompli en ouvrant le ski aval et en le rapprochant à la sortie de la courbe. ● stem ou stemm nom masculin (norvégien stemm) À ski, virage basé sur le transfert du poids du corps d… … Encyclopédie Universelle
stem cup — noun A Chinese porcelain goblet first produced in the Ming Dynasty, having a roomy bowl mounted on a stem that broadens to form the base • • • Main Entry: ↑stem * * * stem cup, a cup or bowl on a stem … Useful english dictionary
stem — [stem] noun [C] I 1) the long part of a plant from which the leaves and flowers grow 2) the long thin part of a wine glass that joins the bowl to the base II verb [T] stem [stem] to stop something from spreading or increasing • stem from sth … Dictionary for writing and speaking English
base — base1 [bās] n. [ME < OFr bas < L basis,BASIS] 1. the thing or part on which something rests; lowest part or bottom; foundation 2. the fundamental or main part, as of a plan, organization, system, theory, etc. 3. the principal or essential… … English World dictionary
Stem-clasping — Stem clasp ing, a. (Bot.) Embracing the stem with its base; amplexicaul, as a leaf or petiole. [1913 Webster] … The Collaborative International Dictionary of English
