A scientific name at the rank of subspecies: an expansion of a binomial name (a genus and a species) combined with the name of the subspecies; for example Anopheles gigas formosus or Homo sapiens sapiens.

trinomialadj

Consisting of three names or parts or terms.

trinomialismnoun

The use of trinomial nomenclature.

trinomialistnoun

One who uses or promotes trinomial nomenclature.

trinomiallyadv

In a trinomial manner

trinominaladj

trinomial

trinonadecanoatenoun

Any salt or ester containing three nonadecanoate groups or anions

trinonylaminenoun

An amine with three nonyl radicals, used primarily as an extractant.

trinuclearadj

Having three nuclei

trinuclearitynoun

The quality of being trinuclear.

trinucleateadj

Having three nuclei

trinucleatedadj

Modified to have three nuclei

trinucleatingadj

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

trinucleonnoun

A bound state of three nucleons

trinucleosomaladj

Relating to a trinucleosome

trinucleosomenoun

An oligosome containing three nucleosomes

trinucleotidenoun

a codon containing three nucleotides

trinucleotidicadj

Relating to or composed of trinucleotides.

trinxatnoun

A Catalan dish of cabbage, potato and pork, resembling bubble and squeak.

trionoun

A group of three people or things.

triobjectiveadj

Involving three objectives.

triobolnoun

An ancient coin worth three obols.

triobolaradj

Mean; worthless.

trioctahedraladj

Having all three octahedral sites occupied by cations

trioctanoatenoun

Any compound that has three octanoate groups

trioctanoylnoun

Three octanoyl groups in a molecule

trioctilenoun

An aspect of two planets with regard to the Earth when they are three octants, or three eighths of a circle (135 degrees), distant from each other.

trioctylaminenoun

The tertiary amine (CH₃-(CH₂)₇-)₃N

trioctylphosphinenoun

The organophosphine (C₈H₁₇)₃P

triocularadj

Having or relating to three eyes.

trioculateadj

Having, or appearing to have, three eyes

triodenoun

A thermionic valve containing an anode, a cathode, and a control grid; small changes to the charge on the grid control the flow from cathode to anode, which makes amplification possible.

triodianoun

Any grass of the genus Triodia native to Australia.

Spelling & Dictionary Insight

The English alphabetical index for the letter T contains 27,828 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 557 pages, and you are currently viewing page 453. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.

On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.

For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "T" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.