Browse by letter
English Words Starting With A
8,734 entries — pick a word to see its definition, pronunciation, and usage.
Filter
Parts of speech
- allodium/əˈləʊ.di.əm/Land owned absolutely, without any superior lord or feudal obligation.nounVery Low (C2)
- allogamy/əˈlɒɡəmi/Cross-fertilization in plants; reproduction involving the union of gametes from different individuals.nounVery Low
- allograft/ˈæləʊɡrɑːft/A transplant of tissue or an organ from one individual to another of the same species who is not genetically identical.nounC1
- allograph/ˈæləɡrɑːf/A variant form of a written or printed character, such as a different style of a letter (e.g., 'a' vs. 'ɑ'), without changing the underlying meaning or identity of the grapheme.nounC2
- allomerism/əˈlɒmərɪz(ə)m/The capacity of chemical substances to vary in crystalline form or physical properties while maintaining the same chemical composition.nounVery Low (Highly specialised, encountered almost exclusively in scientific/geological contexts)
- allomerize/əˈlɒməraɪz/to undergo or cause to undergo a change in the chemical composition of a crystal structure without altering its crystal form.verb-intransitiveVery Low
- allometry/əˈlɒmɪtri/The study or pattern of differential growth in different parts of an organism, where one part grows at a different rate relative to the whole.nounC2
- allomone/ˈæləməʊn/A chemical substance secreted by an organism which induces a response in a member of another species that is beneficial to the emitter.nounC2+
- allomorph/ˈæləmɔːf/A variant form of a morpheme (the smallest unit of meaning) that appears in different phonological environments.nounC1
- allomorphism/ˌæləʊˈmɔːfɪz(ə)m/The property of a chemical compound to exist in different crystalline forms while maintaining the same chemical composition.nounVery low
- allonge/æˈlɒ̃ʒ/A slip of paper attached to a negotiable instrument (like a bill of exchange or promissory note) to provide space for additional endorsements when the original document is full.nounC2
- allonym/ˈæl.ə.nɪm/A pseudonym, especially one belonging to another person, that is adopted by an author.nounC2 (Very low frequency, academic/literary)
- allopath/ˈæl.ə.pæθ/A practitioner of allopathy; a term for a conventional physician who uses treatments that produce effects different from those of the disease being treated.nounLow (Technical/Holistic Community)
- allopathy/əˈlɒpəθi/A system of medical practice that aims to combat disease by using remedies (such as drugs or surgery) which produce effects different from or opposite to those produced by the disease.nounLow
- allophanamide/ˌæləʊˈfænəmaɪd/A chemical compound that is the amide derivative of allophanic acid; specifically, biuret (NH₂CONHCONH₂).nounExtremely Rare / Technical
- allophane/ˈæləfeɪn/An amorphous hydrous aluminium silicate clay mineral, often found in weathered volcanic ash or soils.nounC2
- allophone/ˈæləfəʊn/One of the variant pronunciations of a single phoneme in a language, where the difference does not change the meaning of a word.nounC2
- allophylian/ˌælə(ʊ)ˈfɪlɪən/Of or belonging to another tribe or race; foreign.adjectivenounVery Rare / Archaic
- alloplasm/ˈalə(ʊ)ˌplaz(ə)m/The protoplasm of a cell that is specialized to form specific structures, as opposed to the general cytoplasm.nounExtremely rare / Technical
- alloplasty/ˈæləʊplæsti/The surgical replacement or repair of a body part using a synthetic material or prosthesis.nounC2 / Very Low-Frequency
Showing 3341–3360 of 8734 words.