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STEM
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Irregular inflected forms: stemmed , stemming
I. (noun)
Sense 1
Meaning:
A turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
Synonyms:
Classified under:
Nouns denoting acts or actions
Hypernyms ("stem" is a kind of...):
turn; turning (the act of changing or reversing the direction of the course)
Derivation:
stem (cause to point inward)
Sense 2
Meaning:
Front part of a vessel or aircraft
Example:
he pointed the bow of the boat toward the finish line
Synonyms:
Classified under:
Nouns denoting man-made objects
Hypernyms ("stem" is a kind of...):
front (the side that is seen or that goes first)
Holonyms ("stem" is a part of...):
vessel; watercraft (a craft designed for water transportation)
Sense 3
Meaning:
Cylinder forming a long narrow part of something
Synonyms:
shank; stem
Classified under:
Nouns denoting man-made objects
Hypernyms ("stem" is a kind of...):
cylinder (a surface generated by rotating a parallel line around a fixed line)
Holonyms ("stem" is a part of...):
anchor; ground tackle (a mechanical device that prevents a vessel from moving)
grip; handgrip; handle; hold (the appendage to an object that is designed to be held in order to use or move it)
key (metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated)
nail (a thin pointed piece of metal that is hammered into materials as a fastener)
pin (a small slender (often pointed) piece of wood or metal used to support or fasten or attach things)
wineglass (a glass that has a stem and in which wine is served)
Sense 4
Meaning:
The tube of a tobacco pipe
Classified under:
Nouns denoting man-made objects
Hypernyms ("stem" is a kind of...):
tube; tubing (conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases)
Holonyms ("stem" is a part of...):
pipe; tobacco pipe (a tube with a small bowl at one end; used for smoking tobacco)
Sense 5
Meaning:
(linguistics) the form of a word after all affixes are removed
Example:
thematic vowels are part of the stem
Synonyms:
base; radical; root; root word; stem; theme
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("stem" is a kind of...):
descriptor; form; signifier; word form (the phonological or orthographic sound or appearance of a word that can be used to describe or identify something)
Domain category:
linguistics (the scientific study of language)
Derivation:
stem (remove the stem from)
stem (grow out of, have roots in, originate in)
Sense 6
Meaning:
A slender or elongated structure that supports a plant or fungus or a plant part or plant organ
Synonyms:
stalk; stem
Classified under:
Hypernyms ("stem" is a kind of...):
plant organ (a functional and structural unit of a plant or fungus)
Meronyms (parts of "stem"):
receptacle (enlarged tip of a stem that bears the floral parts)
leaf node; node ((botany) the small swelling that is the part of a plant stem from which one or more leaves emerge)
internode (a segment of a stem between two nodes)
Hyponyms (each of the following is a kind of "stem"):
beanstalk (stem of a bean plant)
cladode; cladophyll; phylloclad; phylloclade (a flattened stem resembling and functioning as a leaf)
caudex; stock (persistent thickened stem of a herbaceous perennial plant)
stipe (supporting stalk or stem-like structure especially of a pistil or fern frond or supporting a mushroom cap)
flower stalk; scape (erect leafless flower stalk growing directly from the ground as in a tulip)
leafstalk; petiole (the slender stem that supports the blade of a leaf)
bulb (a modified bud consisting of a thickened globular underground stem serving as a reproductive structure)
corm (solid swollen underground bulb-shaped stem or stem base and serving as a reproductive structure)
branch (a division of a stem, or secondary stem arising from the main stem of a plant)
culm (stem of plants of the Gramineae)
halm; haulm (stems of beans and peas and potatoes and grasses collectively as used for thatching and bedding)
bole; tree trunk; trunk (the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber)
caudex (woody stem of palms and tree ferns)
axis (the main stem or central part about which plant organs or plant parts such as branches are arranged)
rhizome; rootstalk; rootstock (a horizontal plant stem with shoots above and roots below serving as a reproductive structure)
tuber (a fleshy underground stem or root serving for reproductive and food storage)
cutting; slip (a part (sometimes a root or leaf or bud) removed from a plant to propagate a new plant through rooting or grafting)
sporangiophore (stalk bearing one or more sporangia)
cane (a strong slender often flexible stem as of bamboos, reeds, rattans, or sugar cane)
petiolule (the stalk of a leaflet)
funicle; funiculus (the stalk of a plant ovule or seed)
filament (the stalk of a stamen)
corn stalk; cornstalk (the stalk of a corn plant)
carpophore (a slender stalk that furnishes an axis for a carpel)
gynophore (the stalk of a pistil that raises it above the receptacle)
II. (verb)
Verb forms
Present simple: I / you / we / they stem ... he / she / it stems
Past simple: stemmed
Past participle: stemmed
-ing form: stemming
Sense 1
Meaning:
Remove the stem from
Example:
for automatic natural language processing, the words must be stemmed
Classified under:
Verbs of size, temperature change, intensifying, etc.
Hypernyms (to "stem" is one way to...):
remove; take; take away; withdraw (remove something concrete, as by lifting, pushing, or taking off, or remove something abstract)
Sentence frame:
Somebody ----s something
Derivation:
stem ((linguistics) the form of a word after all affixes are removed)
stemmer (an algorithm for removing inflectional and derivational endings in order to reduce word forms to a common stem)
Sense 2
Meaning:
Stop the flow of a liquid
Example:
stem the tide
Synonyms:
Classified under:
Verbs of size, temperature change, intensifying, etc.
Hypernyms (to "stem" is one way to...):
check (arrest the motion (of something) abruptly)
Sentence frames:
Somebody ----s something
Something ----s something
Sense 3
Meaning:
Grow out of, have roots in, originate in
Example:
The increase in the national debt stems from the last war
Classified under:
Verbs of being, having, spatial relations
Hypernyms (to "stem" is one way to...):
originate in (come from)
Sentence frame:
Something ----s something
Derivation:
stem ((linguistics) the form of a word after all affixes are removed)
Sense 4
Meaning:
Cause to point inward
Example:
stem your skis
Classified under:
Verbs of being, having, spatial relations
Hypernyms (to "stem" is one way to...):
orient (cause to point)
Sentence frame:
Somebody ----s something
Derivation:
stem (a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it)
Context examples:
They are used to prepare patients for bone marrow or stem cell transplantation.
(Myeloablative Agonist, NLM, Medical Subject Headings)
It is located in the middle portion of the brain stem.
(Abducens Nucleus, NCI Thesaurus)
A stem cell found in adult neural tissue that can give rise to neurons and glial (supporting) cells.
(Neural stem cell, The Titi Tudorancea Bulletin)
Lymphomas that occur after bone marrow or stem cell transplantation are usually B-cell NHLs.
(NHL, NCI Dictionary)
General research on non-hematopoietic stem cells and their use in medicine.
(Non-Hematopoietic Stem Cell Research, NCI Thesaurus)
Lymphomas that occur after bone marrow or stem cell transplantation are usually B-cell non-Hodgkin lymphomas.
(non-Hodgkin lymphoma, NCI Dictionary)
Later in the day I got together the whole crew, and told them, as they evidently thought there was some one in the ship, we would search from stem to stern.
(Dracula, by Bram Stoker)
Thrusting in my head between the stems, I found myself gazing at a fleshless skull.
(The Lost World, by Sir Arthur Conan Doyle)
A population of cells derived from adipose tissue with stem cell and wound repair activities.
(Adipose-Derived Regenerative Cells, NCI Thesaurus)
A procedure in which a person receives stem cells (cells from which all blood cells develop) from a genetically similar, but not identical, donor.
(Allogeneic bone marrow transplantation, NCI Dictionary)
