| underfurrow | To cover as under a furrow; to plow in; as, to underfurrow seed or manure. Source: Websters Dictionary (01 Mar 1998) |
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| undergo | 1. To go or move below or under. 2. To be subjected to; to bear up against; to pass through; to endure; to suffer; to sustain; as, to undergo toil and fatigue; to undergo pain, grief, or anxiety; to undergothe operation of amputation; food in the stomach undergoes the process of digestion. "Certain to undergo like doom." (Milton) 3. To be the bearer of; to possess. "Their virtues else, be they as pure as grace, As infinite as man may undergo." (Shak) 4. To undertake; to engage in; to hazard. "I have moved already Some certain of the noblest-minded Romans To undergo with me an enterprise." (Shak) 5. To be subject or amenable to; to underlie. "Claudio undergoes my challenge." (Shak) Origin: AS. Undergan. See Under, and Go. Source: Websters Dictionary (01 Mar 1998) |
| undergrove | A grove of shrubs or low trees under taller ones. Source: Websters Dictionary (01 Mar 1998) |
| undergrowth | That which grows under trees; specifically, shrubs or small trees growing among large trees. Source: Websters Dictionary (01 Mar 1998) |
| underlapping | <cell culture> Possible outcome of collision between two cells in culture, particularly head side collision: one cell crawls underneath the other, retaining contact with the substratum and obtaining traction from contact with the rigid substratum (unlike overlapping, where traction must be gained on the dorsal surface of the other cell). (18 Nov 1997) |
| underlay | <chemical> To incline from the vertical; to hade; said of a vein, fault, or lode. 1. <chemical> The inclination of a vein, fault, or lode from the vertical; a hade; called also underlie. 2. A thickness of paper, pasteboard, or the like, placed under a cut, or stereotype plate, or under type, in the from, to bring it, or any part of it, to the proper height; also, something placed back of a part of the tympan, so as to secure the right impression. Source: Websters Dictionary (01 Mar 1998) |
| underlayer | 1. One who, or that which, underlays or is underlaid; a lower layer. 2. <chemical> A perpendicular shaft sunk to cut the lode at any required depth. Source: Websters Dictionary (01 Mar 1998) |
| underlocker | <chemical> A person who inspects a mine daily. Synonym: underviewer. Source: Websters Dictionary (01 Mar 1998) |
| undermining ulcer | A chronic cutaneous ulcer with overhanging margins; due to haemolytic streptococci or other bacteria. (05 Mar 2000) |
| undernutrition | A form of malnutrition resulting from a reduced supply of food or from inability to digest, assimilate, and utilise the necessary nutrients. (05 Mar 2000) |
| undersensing | Non-sensing of the intracardiac atrial or ventricular depolarisation signal by a pacemaker. (05 Mar 2000) |
| undershapen | Under the usual shape or size; small; dwarfish. "His dwarf, a vicious undershapen thing." (Tennyson) Source: Websters Dictionary (01 Mar 1998) |
| undershirt | A shirt worn next the skin, under another shirt. Synonym: undervest. Source: Websters Dictionary (01 Mar 1998) |
| undershoot | A temporary decrease below the final steady-state value that may occur immediately following the removal of an influence that had been raising that value, i.e., overshoot in a negative direction. (05 Mar 2000) |
| undershot | 1. <zoology> Having the lower incisor teeth projecting beyond the upper ones, as in the bulldog. 2. Moved by water passing beneath; said of a water wheel, and opposed to overshot; as, an undershot wheel. Source: Websters Dictionary (01 Mar 1998) |