trilaminar
Formed of, or having, three laminae, or thin plates.

trilaminate
Having three layers

trilateral
Having three sides
Involving three parties

trilayered
Having three layers.

trilbied
Wearing a trilby.

trilemmatic
Of or relating to a trilemma.

trilete
Having three lines indicating the splitting axes.

trilevel
Of three levels.

trilineage
Affecting all three (blood) cell lineages (red cells, white cells and platelets)

trilineages
plural of trilineage

trilinear
Having, or bounded by, three lines.

trilinears
plural of trilinear

trilineate
Synonym of trilinear.

trilineated
Synonym of trilinear.

trilingual
Able to read or speak three languages.
Expressed or written in three languages.

triliteral
Of word roots in Afroasiatic languages: consisting of three letters.

triliterals
plural of triliteral

triliterate
Capable of reading and writing in three languages.

trilithic
Pertaining to a trilithon.

trillennial
Pertaining to an age or duration of 3,000 years.

triller
A small passerine bird of the genus Lalage belonging to the cuckooshrike family Campephagidae, so called because of the loud trilling calls of the male birds.
One who or that which trills.
A musical ornament consisting of a rapid alternation between two adjacent notes.

trillest
second-person singular simple present indicative of trill

trilliaceous
Of or relating to the Trilliaceae.

trillionfold
By a multiple of one trillion; by a trillion times as much or as many.

trillionth
The ordinal form of the number one trillion.

trillionths
plural of trillionth

trilly
Having a trill sound.

trilobal
Having three lobes.

trilobar
Having three lobes.

trilobate
Having three lobes.

trilobated
Having three lobes

trilobed
Having three lobes

trilobitelike
Resembling a trilobite.

trilobitic
Of, pertaining to or containing, trilobites.

trilobular
Having three lobules.
Having a shape that is broadly triangular but is rounded, with three lobular segments conjoined.

trilobulated
Having three lobules

trilocular
Having three cells or cavities.

triloculate
Synonym of trilocular.

triloculine
trilocular

trilogic
Synonym of trilogical (“relating or belonging to a trilogy”).

trilogical
Pertaining to or organized into a trilogy.
Having three parts, branches, or stages.
Three-way.
Based on or unifying three perspectives.

trilophodont
Having three ridges or crests

trimacular
Having three spots or macules.

trimalleolar
Involving the lateral malleolus, the medial malleolus, and the distal posterior aspect of the tibia.

trimaterial
Consisting of three different materials.

trimaximal
Having three maxima

trimembral
Having, or consisting of, three members.

trimeniaceous
Of or relating to the Trimeniaceae.

trimensional
Three-dimensional.

trimensual
Occurring every three months; quarterly.

trimeric
Of or pertaining to a trimer

trimerical
Alternative form of trimeric.

trimerous
Organized in threes; having parts in numbers that are multiples of three.
Having three joints.

trimesic
Of or pertaining to trimesic acid or its derivatives.

trimestral
Of trimesters or the use thereof; quarterly; trimonthly.

trimestrial
Of, pertaining to, or occurring every trimester, or period of three months.

trimetal
Composed of or containing three types of metal.

trimetallic
Constructed from three metals.
Containing atoms of three metals in each molecule.

trimethoxylated
Modified by the addition of three methoxyl groups

trimethylated
simple past and past participle of trimethylate

trimethylsilylated
Modified by addition of one or more trimethylsilyl groups.

trimetric
Of or relating to a trimeter or anything related to trimeters.
orthorhombic

trimetrical
Of or relating to a trimeter or anything related to trimeters.

trimillennial
The 3,000th anniversary of an event or happening.

trimillennials
plural of trimillennial

trimitic
Containing all three type of hyphae: generative, skeletal, and binding.

trimm
Pronunciation spelling of trippin'.

trimmable
Capable of being trimmed.

trimmer
comparative form of trim: more trim

trimmest
superlative form of trim: most trim

trimodal
Having, or employing, three modes

trimodular
Having three modes of operation

trimolecular
Involving three molecules.

trimonoecious
That has male, female and bisexual (perfect) flowers on the same individual plant.

trimonthlies
plural of trimonthly

trimonthly
Occurring at intervals three months apart.

trimoraic
Having three morae.

trimoric
Alternative form of trimoraic.

trimorphemic
Consisting of three morphemes.

trimorphic
Having three different forms.
Having three different forms.

trimorphous
trimorphic; having, or relating to, three forms

trimotored
Synonym of trimotor.

trimucronate
Having three mucros.

trimuscular
Consisting of, or relating to, three muscles.

trinacriform
Having three prongs or sharp points.

trinal
Having three parts; triple.

trinaries
plural of trinary

trinary
Alternative form of ternary.

trinational
Of or relating to three nations.

trinaural
Having a third audio channel in addition to the binaural or stereo channels.

trinervate
Having three ribs or nerves extending unbranched from the base to the apex.

trinerved
trinervate

trineural
Relating to three neurons or three nerves.

trinitarian
Alternative form of Trinitarian.

trinitary
Relating to a trinity or set of three, especially the Holy Trinity.

trinketlike
Like a trinket; cheap and showy.

trinkety
Resembling or characteristic of a trinket; gaudy and worthless.

trinkly
Tinkly

trinoctial
Lasting for three nights.

trinocular
Using three points of vision, such as a microscope with two standard eyepieces and one camera eyepiece, or a camera rig with three cameras

trinoculars
A notional set of binoculars for a three-eyed being.

trinodal
Having three nodes.

trinogamous
Pertaining to a committed relationship involving three people, often including a married couple.

trinomial
Consisting of three names or parts or terms.

trinomials
plural of trinomial

trinominal
trinomial

trinominals
plural of trinominal

trinuclear
Having three nuclei

trinucleate
Having three nuclei

trinucleated
Modified to have three nuclei

trinucleating
Forming a complex with three nuclei, particularly used for ligands that link three metal atoms into a complex.

trinucleosomal
Relating to a trinucleosome

trinucleotidic
Relating to or composed of trinucleotides.

triobjective
Involving three objectives.

trioctahedral
Having all three octahedral sites occupied by cations

triocular
Having or relating to three eyes.

trioculate
Having, or appearing to have, three eyes

trionic
Of, pertaining to, or composed of trions

trionymal
Synonym of trionymous.

trionymous
Consisting of three names or terms.

trioperculate
Having or relating to three opercula.

triorchid
Possessing three testes.

triosseal
Relating to, or connecting three bones

triossicular
Having three ossicles

triovulate
Composed of three ovules

trioxygenated
oxygenated with three atoms (or molecules) of oxygen

tripalmitoylated
Modified by the addition of three palmitoyl groups

triparalogous
That has resulted from three paralogous diversions from a common ancestor

triparametric
Having or relating to three parameters.

triparental
Involving three parents, but especially describing a form of bacterial conjugation in which a conjugative plasmid present in a "helper" bacterial strain assists the transfer of plasmid from a second to a third strain.

tripart
Having three parts.

triparted
Divided into three pieces.
Divided nearly to the base into three segments or lobes.

tripartible
Divisible into three parts.

tripartisan
Relating to or supported by three groups, especially by three political parties.

tripartite
In three parts.
Done by three parties (as an agreement).

triparty
Involving three parties or entities.

tripaschal
Including three Passovers.

tripedal
Having three feet.
Having three metrical feet.

tripelike
Resembling or characteristic of tripe.