Synonyms of the word

tertiary

• adj. Of third rank or order; subsequent.
• adj. (chemistry) Possessing some quality in the third degree; especially having been subjected to the substitution…
• adj. (ornithology) Of quills: growing on the innermost joint of a bird's wing; tertial.
• n. (ornithology) A tertiary feather; a tertial.
• n. (Roman Catholicism) A member of a Roman Catholic third order; a layperson who participates in activities…

ordinal

• adj. Of a number, indicating position in a sequence.
• adj. (taxonomy) Of or relating to the groupings called orders.
• n. An ordinal number such as first, second and third.
• n. A book used in the ordination of Anglican ministers, or in certain Roman Catholic services.

period

• adj. Appropriate for a given historical era.
• adj. (of a film, or play, or similar) Set in and designed to evoke a particular historical period, especially…
• interj. (chiefly Canada, US) And nothing else; and nothing less; used for emphasis.
• n. A length of time.
• n. A period of time in history seen as a single coherent entity; an epoch, era.
• n. (now chiefly Canada, US) The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).
• n. The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition…
• n. Female menstruation.
• n. A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc.
• n. Each of the divisions into which a school day is split, allocated to a given subject or activity.
• n. (chiefly Canada, US) Each of the intervals into which various sporting events are divided.
• n. (obsolete, medicine) The length of time for a disease to run its course.
• n. An end or conclusion; the final point of a process etc.
• n. (rhetoric) A complete sentence, especially one expressing a single thought or making a balanced, rhythmic…
• n. (obsolete) A specific moment during a given process; a point, a stage.
• n. (chemistry) A row in the periodic table of the elements.
• n. (geology) A subdivision of an era, typically lasting from tens to hundreds of millions of years, see Appendix:…
• n. (genetics) A Drosophila gene which gene product is involved in regulation of the circadian rhythm.
• n. (music) Two phrases (an antecedent and a consequent phrase).
• n. (mathematics) One of several similar sets of figures or terms usually marked by points or commas placed…
• v. (obsolete, intransitive) To come to a period; to conclude.
• v. (obsolete, transitive, rare) To put an end to.

third

• adj. The ordinal form of the cardinal number three; Coming after the second.
• n. The person or thing in the third position.
• n. One of three equal parts of a whole.
• n. (uncountable) The third gear of a gearbox.
• n. (music) An interval consisting of the first and third notes in a scale.
• n. (baseball) third base.
• n. (archaic) One sixtieth of a second, i.e., the third in a series of fractional parts in a sexagesimal number…
• v. To agree with a proposition or statement after it has already been seconded.
• v. To divide into three equal parts.