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There are 20 twelve-letter words containing A, C, 2E, M, T and Y

ACTINOMYCETEactinomycete n. Any of various filamentous or rod-shaped bacteria, of the order Actinomycetales, that resemble fungi…
ACTINOMYCETE n. a filamentous microorganism like both bacteria and fungi, also ACTINOMYCES.
APPENDECTOMYappendectomy n. (Surgery) The surgical procedure for the removal of the vermiform appendix.
APPENDECTOMY n. the surgical removal of the appendix, also APPENDICECTOMY.
ARCHAEOMETRYarchaeometry n. (Archaeology) The application of scientific techniques and methodologies to archaeology.
ARCHAEOMETRY n. the use of scientific methods in archaeology, also ARCHEOMETRY.
CENTESIMALLYcentesimally adv. According to a division into 100 parts.
CENTESIMAL adv. counting or counted by hundreds or hundredths.
CEPHALOMETRYcephalometry n. The measurement of the head, especially in order to study growth, development, and disease.
CEPHALOMETRY n. the science of measuring the head in living individuals.
CHAMAEPHYTESchamaephytes n. Plural of chamaephyte.
CHAMAEPHYTE n. a winter-flowering plant.
CHEMOTHERAPYchemotherapy n. (Medicine) Any chemical treatment intended to be therapeutic with respect to a disease state.
chemotherapy n. (Oncology, most common usage) chemical treatment to kill or halt the replication and/or spread of cancerous…
CHEMOTHERAPY n. therapy involving the use of chemicals.
CYTOMEMBRANEcytomembrane n. (Biology) A membrane found in cytoplasm.
CYTOMEMBRANE n. one of the cellular membranes including those of the plasma membrane, endoplasmic reticulum, nuclear envelope, and Golgi apparatus.
EMPYREUMATICempyreumatic adj. (Obsolete, chemistry) Characteristic of empyreuma.
EMPYREUMATIC adj. relating to empyreuma, also EMPYREUMATICAL.
ENTHYMEMATICenthymematic adj. Of or pertaining to enthymeme.
ENTHYMEMATIC adj. of or like an enthymeme, an argument of probability only, also ENTHYMEMATICAL.
HERMETICALLYhermetically adv. With a hermetic seal; so as to be airtight.
hermetically adv. In a hermetic manner; isolatedly.
HERMETICAL adv. of or relating to sorcery or alchemy, also HERMETIC.
INTERMEDIACYintermediacy n. (Uncountable) The condition of being intermediate.
intermediacy n. (Countable) intervention.
INTERMEDIACY n. the act or action of intermediating.
METEORICALLYmeteorically adv. In a meteoric manner.
METEORIC adv. like a meteor.
METHACRYLATEmethacrylate n. (Organic chemistry) Any salt or ester of methacrylic acid, especially an ester used in the manufacture…
methacrylate n. A resin manufactured from methacrylic acid or a methacrylate.
METHACRYLATE n. a salt or ester of methacrylic acid.
NYCHTHEMERALnychthemeral adj. Lasting a nychthemeron (24 hours).
NYCHTHEMERAL adj. (Greek) of or relating to a nychthemeron or 24-hour period.
PATELLECTOMYpatellectomy n. Surgical removal of the patella.
PATELLECTOMY n. the surgical removal of the kneecap.
PINEALECTOMYpinealectomy n. (Medicine, surgery) Surgical removal of the pineal gland.
PINEALECTOMY n. the surgical removal of the pineal gland.
SPERMATOCYTEspermatocyte n. (Cytology) A male gametocyte, from which a spermatozoon develops.
SPERMATOCYTE n. a cell producing spermatozoa.
STAPEDECTOMYstapedectomy n. (Surgery) The surgical removal of the stapes of the middle ear.
STAPEDECTOMY n. the removal of the stapes and insertion of an artificial replacement to relieve deafness.
TACHYMETRIESTACHYMETRY n. the measurement of speed, also TACHOMETRY.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 117 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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