Definition of semi- Semi-
We found 2 definitions of semi- from 2 different sources.
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What does semi- mean?
Webster DictionaryWebster's Unabridged Dictionary đ
- semi-
A prefix signifying half, and sometimes partly or imperfectly; as, semiannual, half yearly; semitransparent, imperfectly transparent.
Chambers DictionaryChamber's 20th Century Dictionary đ
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semi-
semâ˛i, a prefix of Latin origin, meaning 'half,' and also less accurately 'partly,' 'incompletely.'ân. and adj. Semiacâ˛id, half-acid, sub-acid.ân. Semâ˛iangle, the half of a given angle.âadj. Semi-anâ˛nual, half-yearly.âadv. Semâ˛i-anâ˛nually, once every six months.âadj. Semianâ˛nular, semicircular.âns. Semâ˛i-anâ˛thracite, coal intermediate between anthracite and semi-bituminous coal; Semâ˛i-ape, a lemur.âadjs. Semâ˛i-aquatâ˛ic (zool., bot.), entering the water, but not necessarily existing by it; Semâ˛i-Äâ˛rian, relating to the Christology of the so-called Semi-Arians (Eusebius of CĂŚsarea, &c.) who held a middle ground between the Arian hetero-ousia and the orthodox homo-ousia or co-equality of the Son with the Father, asserting the homoi-ousia, or similarity of essence.ân. Semâ˛i-Äâ˛rianism.âadjs. Semâ˛i-articâ˛ulate, loose-jointed; Semâ˛i-attachedâ˛, partially bound by affection or interest; SemibarbÄâ˛rian, half-barbarian or savage: partially civilised.ân.
Semibarâ˛barism.âadj. Semâ˛i-bitĹŤâ˛minous, partly
bituminous, as coal.âns. Semâ˛ibrÄve, a musical note, half the
length of a breve = 2 minims or 4 crotchets; Semâ˛ibull, a bull issued by a pope between
the time of his election and that of his coronation.âadjs.
Semâ˛icalcÄâ˛reous, partly
chalky; Semâ˛i-calâ˛cined,
half-calcined; Semicartilagâ˛inous,
gristly; Semicentennâ˛ial, occurring
at the completion of fifty years.ân. a celebration at the
end of fifty years.âadj. SemichĹâ˛ric.âns. SemichĹâ˛rus, a small number of selected
singers; Semâ˛icircle, half a circle:
the figure bounded by the diameter of a circle and half the
circumference.âadjs. Semâ˛icircled; Semicirâ˛cular.âadv. Semicirâ˛cularly.âns. Semicircumâ˛ference, half of the circumference
of a circle; Semâ˛icirque, a
semicircular hollow; SemiclĹâ˛sure, half-closure; Semâ˛icolon, the point (;) marking a division
greater than the comma; SemicĹâ˛lon-buttâ˛erfly, a
butterfly with a silver mark on the under side; Semâ˛i-colâ˛umn, a
half-column.âadjs. Semâ˛i-columâ˛nar, flat on one side and
rounded on the other; Semâ˛i-completeⲠ(entom.),
incomplete; Semâ˛i-conâ˛fluent
(path.), half-confluent; Semâ˛i-conâ˛jugate, conjugate and halved;
Semâ˛i-conâ˛scious, half or
imperfectly conscious; Semâ˛i-converâ˛gent, convergent as a
series, while the series of moduli is not convergent.ân.
Semâ˛icope, an outer garment worn by
some of the monastic clergy in the Middle Ages.âadjs.
Semâ˛icorâ˛neous, partly horny;
Semicorâ˛onate.ân.
Semâ˛icorâ˛onet (entom.),
a line of spines half surrounding a part.âadjs. Semâ˛i-costifâ˛erous, half-bearing a rib;
Semicritâ˛ical, related to a
differential equation and its criticoids.ân. Semâ˛icrome (mus.), a sixteenth
note.âadjs. Semâ˛icrustÄâ˛ceous, half-hard;
Semicrysâ˛talline, imperfectly
crystallised.ân. SemicĹŤâ˛bium, a
half-bath.âadjs. Semicylinâ˛drical, resembling a cylinder
divided longitudinally; Semidefâ˛inite, half-definite: Semâ˛i-dependâ˛ent, half-dependent;
Semâ˛idesâ˛ert, half-desert;
Semâ˛idetachedâ˛, partly
separated: noting one of two houses joined by a party-wall, but detached
from other buildings.âns. Semâ˛i-diamâ˛eter, half the diameter of a
circle: a radius; Semâ˛i-diapÄâ˛son, a diminished
octave; Semâ˛i-diaphanÄâ˛ity,
half-transparency.âadj. Semiâ˛-diaphâ˛anous,
half-transparent.ân. Semidiurâ˛na, a group of lepidopterous insects
including the hawk-moth.âadj. Semidiurâ˛nal, accomplished in half a day:
(entom.) flying in twilight.ân. Semâ˛i-domeâ˛, half a dome, esp. as
formed by a vertical section.âadj. Semâ˛idoubâ˛le, having the outermost
stamens converted into petals.ân. a festival on which half
the antiphon is repeated before and the whole antiphon after the
psalm.ân. Semâ˛i-efâ˛figy, a representation of a
figure seen at half-length only.âadj. Semâ˛i-ellipâ˛tical, having the form of
an ellipse which is cut transversely.âns. Semâ˛i-fÄâ˛ble, a mixture of truth
and fable; Semâ˛i-faienceâ˛,
pottery having a transparent glaze instead of the opaque enamel of true
faience; Semâ˛i-figâ˛ure, a
partial human figure in ornamental design.âv.t. Semâ˛i-flex, to half-bend.ân.
Semâ˛i-flexâ˛ion.âadj.
Semâ˛i-flosâ˛cular.ân.
Semâ˛i-flosâ˛cule, a floret with
a strap-shaped corolla.âadjs. Semâ˛i-flosâ˛culĹse, Semâ˛i-flosâ˛culous, having the corolla
split, flattened out, and turned to one side, as in the ligular flowers
of composites; Semifluâ˛id, half or
imperfectly fluid; Semâ˛i-formed,
half-formed.ân. Semâ˛i-frÄâ˛ter, a secular
benefactor of a religious house, having a share in its intercessory
prayers and masses.âadjs. Semâ˛i-fusedâ˛, half-melted; SemiglĹâ˛bĹse, Semiglobâ˛ular, having the shape of half a
sphere.âadv. Semiglobâ˛ularly.âns. Semâ˛i-god, a demi-god; Semâ˛i-independâ˛ence.âadjs.
Semâ˛i-independâ˛ent, not fully
independent; Semâ˛i-inâ˛finite,
limited at one end and extending to infinity; Semâ˛i-ligâ˛neous, partially woody:
(bot.) having a stem woody at the base and herbaceous at the top;
Semi-liqâ˛uid,
half-liquid.ân. Semi-liquidâ˛ity.âadjs. Semâ˛i-logâ˛ical, half-logical, partly
logical; Semâ˛i-lĹŤâ˛cent,
half-transparent; Semi-lĹŤâ˛nar,
half-moon shaped, as the semi-lunar bone of the wrist; Semâ˛i-lĹŤâ˛nate, having the form of
a half-moon; Semâ˛i-maligâ˛nant,
not very malignant, said of tumours; Semâ˛i-matĹŤreâ˛,
half-ripe.ân. SemimembranĹâ˛sus, a long muscle of the
back of the thigh.âadjs. Semimemâ˛branous (anat.), partly
membranous; Semâ˛i-menâ˛strual,
half-monthly, esp. of an inequality of the tide.ân. Semâ˛i-metâ˛al, in old chemistry, a metal
that is not malleable, as zinc.âadjs. Semâ˛i-metalâ˛lic; Semâ˛i-monthâ˛ly, occurring twice a
month.ân. Semi-mĹŤteâ˛, one who, having lost the
faculty of hearing, has also lost the faculty of speechâalso
adj.âadj. Semâ˛i-nĹŤdeâ˛,
half-naked.ân. Semâ˛inymph, the pupa of an insect which
undergoes only semi-metamorphosis.âadjs. Semâ˛i-obscureâ˛, noting the wings of
insects when deeply tinged with brownish-gray, but semi-transparent;
Semâ˛i-officâ˛ial, partly
official.âadv. Semâ˛i-officâ˛ially.ân.
Semâ˛i-Ĺâ˛pal, a variety
of opal not possessing opalescence.âadj. Semâ˛i-opaqueâ˛, partly
opaque.ân. Semâ˛i-opâ˛tera, a genus of
birdsâthe standard-wings.âadj. Semâ˛i-orbicâ˛ular, having the shape of
half a sphere.ân. Semâ˛i-orâ˛dinate, half a chord bisected
by the transverse diameter of a conic.âadjs. Semâ˛i-ossâ˛eous, partly bony; SemiĹâ˛val, having the form of an oval;
Semiovipâ˛arous, imperfectly
viviparous; Semipalâ˛mate,
half-webbed, as the toes of a bird.âns. SemipalmÄâ˛tion; Semiparabâ˛ola, one branch of a parabola being
terminated at the principal vortex of the curve; Semâ˛iped, in prose, a
half-foot.âadjs. Semâ˛ipedal; Semâ˛i-PelÄâ˛gian, relating to the
theology of the Semi-Pelagians (John Cassianus, &c.), who tried to
find a middle course between the Augustinian doctrine of predestination
and the Pelagian doctrine of the free-will of man.ân.
Semâ˛i-PelÄâ˛gianism.âadjs.
Semâ˛i-pellĹŤâ˛cid,
imperfectly transparent; Semâ˛ipenâ˛niform, half-penniform;
Semâ˛i-perâ˛fect, nearly
perfect; Semâ˛i-pisâ˛cine,
half-fish; Semâ˛i-plantâ˛igrade,
incompletely plantigrade: partly digitigrade; Semâ˛i-plasâ˛tic, imperfectly
plastic.âns. SemiplotÄŤâ˛na, a group or sub-family of
cyprinoid fishes; Semâ˛iplume, a
feather of partly downy structure; 
Semiquadâ˛rate, an aspect of two planets when
distant from each other 45 degrees; Semâ˛iquÄver, a musical note, half the
length of a quaver: something of short duration.âadjs.
Semâ˛i-reconâ˛dite, half-hidden;
Semâ˛i-rÄâ˛flex,
involuntarily performed, but not entirely independent of the will;
Semâ˛i-regâ˛ular, pertaining to
a quadrilateral having four equal sides, but only pairs of equal angles;
Semâ˛i-retracâ˛tile, retractile
to some extent.ân. Semâ˛i-ring, a bronchial
half-ring.âadjs. Semâ˛i-sagâ˛ittate (entom.),
shaped like the barbed end of a fish-hook; Semâ˛i-savâ˛age, semi-barbarian; Semâ˛i-Saxâ˛on, early Middle English (c.
1150-1250); Semâ˛i-sepâ˛tate,
half-partitioned.âns. Semâ˛i-sexâ˛tile, the position of planets
when they are distant from each other the twelfth part of a circle, or
30°; Semâ˛i-smile, a faint
smile.âadjs. Semâ˛i-solid, partially solid; Semispherâ˛ical, having the figure of a
half-sphere.âns. Semâ˛i-spinÄâ˛lis, a deep muscular
layer of the back; Semâ˛i-square, an
aspect of two planets when 45 degrees from each other; Semâ˛i-steel, puddled
steel.âadjs. Semâ˛i-supernatâ˛ural, half-divine and
half-human; Semâ˛i-sĹŤâ˛pinated, placed between
supination and pronation.âns. Semâ˛i-tanâ˛gent, the tangent of half an
arc; Semâ˛i-tendinĹâ˛sus,
a fusiform muscle on the back of the thigh.âadjs. Semitenâ˛dinous, tendinous for half its
length; SemitÄrÄâ˛te,
half-round; Semiterâ˛tian, partly
tertian and partly quotidian.ân. Semâ˛itone, half a tone: one of the lesser
intervals of the musical scale, as from B to C.âadj.
Semitonâ˛ic.ân. Semâ˛i-transpÄâ˛rency.âadjs.
Semâ˛i-transpÄrent, half or
imperfectly transparent; Semâ˛i-tropâ˛ical, subtropical; Semâ˛i-tĹŤâ˛bular, like the half of
a tube divided longitudinally; Semâ˛i-tychonâ˛ic, approximating to Tycho
Brahe's astronomical system; Semâ˛i-unâ˛cial, intermediate between
uncial and minuscule.ân. a method of writing Latin and Greek
in use in the sixth and seventh centuries.âadjs. Semivitâ˛reous, partially vitreous; Semivitâ˛rified, half-vitrified; Semâ˛ivive (obs.) half-alive; Semâ˛i-vĹâ˛cal, pertaining to a
semivowel: imperfectly sounding.ân. Semivowâ˛el, a half-vowel, a letter possessing
the character of both a vowel and a consonant, usually only w and
y, but sometimes including also the liquids l and r
and the nasals m and n.âadj. Semâ˛i-weekâ˛ly, issued twice a
week.âSemicylindrical leaf, a leaf elongated, flat on one
side, round on the other
