English Words Starting With A

• adenosine triphosphatase

  nounVery Low
  /əˌdɛn.ə.siːn ˌtraɪˈfɒs.fə.teɪz/An enzyme that catalyzes the hydrolysis of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) and a free phosphate ion, releasing energy for cellular processes.
• adenosine triphosphate

  nounC2
  /əˌdɛn.ə.siːn traɪˈfɒs.feɪt/The primary molecule used by all living cells to store and transfer chemical energy necessary for biological processes.
• adenosis

  nounC2+
  /ˌadɪˈnəʊsɪs/A non-cancerous condition involving abnormal growth or disease of glandular tissue.
• adenovirus

  nounC1
  /ˌadɪnəʊˈvʌɪrəs/A type of virus that typically causes infections in the respiratory system, eyes, and gastrointestinal tract.
• adenylate cyclase

  nounVery Low
  /əˈdɛnɪleɪt ˈsaɪkleɪz/An enzyme that converts adenosine triphosphate (ATP) to cyclic adenosine monophosphate (cAMP).
• adenylic acid

  nounC2
  /ˌadɪˈnɪlɪk ˈasɪd/A nucleotide constituent of RNA, formed by the combination of adenine, ribose, and a phosphate group.
• adeodatus ii

  nounVery Low
  /ˌadɪəʊˈdɑːtəs ðə ˈsekənd/A proper name referring to a specific historical figure, Pope Adeodatus II, who reigned from 672 to 676 AD.
• adephagia

  nounVery Low (Technical/Rare)
  /ˌadɪˈfeɪdʒɪə/An excessive or morbid state of hunger; insatiable appetite.
• adept

  adjectivenounC1
  /ˈædept/, /əˈdept/A person who is very skilled or proficient at something; someone highly expert.
• adeptness

  nounC1
  /əˈdɛptnəs/The quality of being highly skilled or proficient; expertness.
• adequacy

  nounC1
  /ˈæd.ɪ.kwə.si/The state or quality of being sufficient, acceptable, or good enough to meet a need or purpose.
• adessive

  adjectivenounVery low
  /əˈdɛsɪv/A grammatical case indicating location on or at something.
• adfreeze

  verb-transitiveVery low / Technical
  /ˈædˌfriːz/A process in permafrost regions where the ground becomes frozen and bonded to the foundation or structure resting upon it.
• adhan

  nounLow
  /ɑːˈðɑːn/the Islamic call to prayer, recited by a muezzin
• adhere

  verbverb-intransitiveverb-transitiveC1
  /ədˈhɪə(r)/To stick firmly to a surface, substance, or idea.
• adherence

  nounB2
  /ədˈhɪərəns/The act or quality of sticking firmly to a rule, plan, belief, or to another object or substance.
• adherend

  nounVery Low
  /ədˈhɪərənd/The material or surface to which an adhesive is applied and which is bonded by it.
• adherent

  adjectivenounC1
  /ədˈhɪərənt/A person who strongly supports a particular party, leader, set of ideas, or cause.
• adhering

  adjectivenounB2
  /ədˈhɪər.ɪŋ/Sticking firmly to a surface, substance, or principle; continuing to follow or support something.
• adhesion

  nounC1
  /ədˈhiːʒ(ə)n/The action or process of sticking firmly to a surface or object.

Showing 1281–1300 of 8734 words.