| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024stemmed /stɛmd/USA pronunciation adj. - Botany(used after a root or another word) having a (certain kind of) stem:long-stemmed roses.
- having the stem or stems removed.
WordReference Random House Unabridged Dictionary of American English © 2024stemmed (stemd),USA pronunciation adj. - Botanyhaving a stem or a specified kind of stem (often used in combination):a long-stemmed rose.
- having the stem or stems removed:stemmed cherries.
Collins Concise English Dictionary © HarperCollins Publishers:: stemmed /stɛmd/ adj - having a stem
- (in combination): a thin-stemmed plant, a long-stemmed glass
- having had the stem or stems removed
stem1 /stɛm/USA pronunciation n., v., stemmed, stem•ming. n. [countable] - Botanythe part of a plant that grows in an opposite direction to the root and that supports a leaf, flower, or fruit.
- a long, slender, supporting part, as of a wineglass or a tobacco pipe.
- Timea part that sticks out from the body of a watch, having on its end a knob for winding the watch.
- Grammara form of a word, made of a root alone or a root plus another part, such as a prefix or suffix, to which certain endings may be added:The word kindness is a stem made up of a root, kind, and a suffix, -ness, to which another suffix, -es, could be added.
v. - stem from, [~ + from + object] to come from;
arise or originate from:Most of our problems stem from a lack of funds.
stem2 /stɛm/USA pronunciation v. [~ + object], stemmed, stem•ming. - to check or slow down, esp. the flow of something:worked to stem the flow of blood from the wound.
WordReference Random House Unabridged Dictionary of American English © 2024stem1 (stem),USA pronunciation n., v., stemmed, stem•ming.
n. - Botanythe ascending axis of a plant, whether above or below ground, which ordinarily grows in an opposite direction to the root or descending axis.
- Botanythe stalk that supports a leaf, flower, or fruit.
- Botanythe main body of that portion of a tree, shrub, or other plant which is above ground;
trunk;
stalk. - Botanya cut flower:We bought roses at the flower market for 50¢ a stem.
- Botanya petiole;
peduncle;
pedicel. - Botanya stalk of bananas.
- something resembling or suggesting a leaf or flower stalk.
- a long, slender part:the stem of a tobacco pipe.
- the slender, vertical part of a goblet, wineglass, etc., between the bowl and the base.
- Informal Termsa drinking glass having a stem.
- the handle of a spoon.
- Timea projection from the rim of a watch, having on its end a knob for winding the watch.
- Buildingthe circular rod in some locks about which the key fits and rotates.
- Buildingthe rod or spindle by which a valve is operated from outside.
- the stock or line of descent of a family;
ancestry or pedigree. - Grammarthe underlying form, often consisting of a root plus an affix, to which the inflectional endings of a word are added, as tend-, the stem in Latin tendere "to stretch,'' the root of which is ten-. Cf. base 1 (def. 18), theme (def. 5).
- Music and Dancethe vertical line forming part of a note.
- Slang Terms stems, the legs of a human being.
- the main or relatively thick stroke of a letter in printing.
v.t. - to remove the stem from (a leaf, fruit, etc.):Stem the cherries before cooking.
v.i. - to arise or originate:This project stems from last week's lecture.
- bef. 900; Middle English; Old English stemn, stefn, equivalent. to ste- (variant of sta-, base of standan to stand) + -mn- suffix; akin to German Stamm stem, tribe; see staff1
- to stop, check, or restrain.
- Civil Engineeringto dam up;
stop the flow of (a stream, river, or the like). - Buildingto tamp, plug, or make tight, as a hole or joint.
- Sport[Skiing.]to maneuver (a ski or skis) in executing a stem.
- to stanch (bleeding).
v.i. - Sport[Skiing.]to execute a stem.
n. - Sport[Skiing.]the act or instance of a skier pushing the heel of one or both skis outward so that the heels are far apart, as in making certain turns or slowing down.
- Old Norse stemma to dam or Middle Low German stemmen
- late Middle English stemmen 1400–50
stem3 (stem),USA pronunciation v.t., stemmed, stem•ming. - Naval Termsto make headway against (a tide, current, gale, etc.).
- to make progress against (any opposition).
- verb, verbal use of stem4 1585–95
- Nautical, Naval Terms(at the bow of a vessel) an upright into which the side timbers or plates are jointed.
- Nautical, Naval Termsthe forward part of a vessel (often opposed to stern).
- the cognate with Old Norse stamn, stafn in same sense
- bef. 900; continuing Old English stefn, stemn end-timber; special use of stem1; Middle English stampne, stamyn(e) apparently
- Nautical, Naval Termsto arrange the loading of (a merchant vessel) within a specified time.
- Old Norse stefna to sail directly, aim, derivative of stafn stem4
- variant of steven to direct one's course 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers:: stem /stɛm/ n - the main axis of a plant, which bears the leaves, axillary buds, and flowers and contains a hollow cylinder of vascular tissue
- any similar subsidiary structure in such plants that bears a flower, fruit, or leaf
- a corresponding structure in algae and fungi
- any long slender part, such as the hollow part of a tobacco pipe that lies between the bit and the bowl, or the support between the base and the bowl of a wineglass, goblet, etc
- a banana stalk with several bunches attached
- the main line of descent or branch of a family
- a round pin in some locks on which a socket in the end of a key fits and about which it rotates
- any projecting feature of a component: a shank or cylindrical pin or rod, such as the pin that carries the winding knob on a watch
- the form of a word that remains after removal of all inflectional affixes; the root of a word, esp as occurring together with a thematic element
Compare root1 - the main, usually vertical, stroke of a letter or of a musical note such as a minim
- the tubular glass section projecting from the base of a light bulb or electronic valve, on which the filament or electrodes are mounted
- the main upright timber or structure at the bow of a vessel
- the very forward end of a vessel (esp in the phrase from stem to stern)
vb (stems, stemming, stemmed)- (intransitive) usually followed by from: to be derived; originate: the instability stems from the war
- (transitive) to make headway against (a tide, wind, etc)
- (transitive) to remove or disengage the stem or stems from
- (transitive) to supply (something) with a stem or stems
Etymology: Old English stemn; related to Old Norse stafn stem of a ship, German Stamm tribe, Gothic stōma basis, Latin stāmen threadˈstemˌlike adj stem /stɛm/ vb (stems, stemming, stemmed)- (transitive) to restrain or stop (the flow of something) by or as if by damming up
- (transitive) to pack tightly or stop up
- to manoeuvre (a ski or skis), as in performing a stem
n - a technique in which the heel of one ski or both skis is forced outwards from the direction of movement in order to slow down or turn
Etymology: 15th Century stemmen, from Old Norse stemma; related to Old Norse stamr blocked, stammering, German stemmen to prop; see stammer |