10-letter words starting with pro
- protensive — extended in dimension or extended in time.
- proteolyse — to cause to undergo proteolysis
- proteomics — the study of the functions, structures, and interactions of proteins; the study of the proteome.
- protervity — petulance
- protestant — any Western Christian who is not an adherent of a Catholic, Anglican, or Eastern Church.
- protestive — an expression or declaration of objection, disapproval, or dissent, often in opposition to something a person is powerless to prevent or avoid: a protest against increased taxation.
- prothallus — prothallium.
- protistans — any of various one-celled organisms, classified in the kingdom Protista, that are either free-living or aggregated into simple colonies and that have diverse reproductive and nutritional modes, including the protozoans, eukaryotic algae, and slime molds: some classification schemes also include the fungi and the more primitive bacteria and blue-green algae or may distribute the organisms between the kingdoms Plantae and Animalia according to dominant characteristics.
- proto team — a team of workers trained to perform underground rescues
- proto-form — a hypothetical linguistic form reconstructed as an element of a protolanguage.
- protocolar — the customs and regulations dealing with diplomatic formality, precedence, and etiquette.
- protocolic — relating to protocol
- protoctist — (in modern biological classifications) any unicellular or simple multicellular organism belonging to the kingdom Protoctista, which includes protozoans, algae, and slime moulds
- protogenia — the first woman born after the great flood of Zeus, daughter of Deucalion and Pyrrha.
- protogenic — (of a compound) able to donate a hydrogen ion (proton) in a chemical reaction
- protohuman — of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
- protologue — the original description of a species, genus, etc.
- protonymph — the newly hatched form of various mites
- protophyte — a single-celled plant of the class Protophyta
- protoplasm — Biology. (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus.
- protoplast — Biology. the contents of a cell within the cell membrane, considered as a fundamental entity. the primordial living unit or cell.
- protostele — the solid stele of most roots, having a central core of xylem enclosed by phloem.
- protostome — any member of the lower invertebrate phyla in which the mouth appears before the anus during development, cleavage is spiral and determinate, and the coelom forms as a splitting of the mesoderm.
- prototroph — a microorganism that has the same nutritional requirements as the parent organism. Compare auxotroph.
- prototyper — An interface builder for the Macintosh from Smethers Barnes.
- prototypic — the original or model on which something is based or formed.
- protoxylem — the part of the primary xylem that develops first, consisting of narrow, thin-walled cells.
- protracted — to draw out or lengthen, especially in time; extend the duration of; prolong.
- protractor — a person or thing that protracts.
- protreptic — an educational book or speech
- protruding — to project.
- protrusile — capable of being thrust forth or extended, as the tongue of a hummingbird.
- protrusion — the act of protruding or the state of being protruded.
- protrusive — projecting or protuberant; thrusting forward, upward, or outward.
- provection — (in Celtic languages) the devoicing of a consonant
- proveditor — (in the Venetian republic) a senior civilian officer in charge of supplies, provisions, and artillery for the city
- provenance — place or source of origin: The provenance of the ancient manuscript has never been determined.
- provencale — (sometimes lowercase) cooked, usually in olive oil, with garlic, tomatoes, onions, and herbs.
- proverbial — of, relating to, or characteristic of a proverb: proverbial brevity.
- providable — to make available; furnish: to provide employees with various benefits.
- providence — a state of the NE United States, on the Atlantic coast: a part of New England. 1214 sq. mi. (3145 sq. km). Capital: Providence. Abbreviation: RI (for use with zip code), R.I.
- provincial — belonging or peculiar to some particular province; local: the provincial newspaper.
- provisions — a clause in a legal instrument, a law, etc., providing for a particular matter; stipulation; proviso.
- provitamin — a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
- provokable — able to be provoked
- prowlingly — in the manner of a prowl
- proximally — situated toward the point of origin or attachment, as of a limb or bone. Compare distal (def 1).
- proxy vote — a vote cast by a person's representative