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There are 15 twelve-letter words containing E, 2I, L, M, 2O and R

AMELIORATIONamelioration n. The act of making better.
amelioration n. An improvement.
amelioration n. (Linguistics) The process by which a term gains a more positive connotation over time.
COLORIMETRICcolorimetric adj. (Analytical chemistry) Of or pertaining to colorimetry.
colorimetric adj. Obtained by using a colorimeter.
COLORIMETRIC adj. relating to colorimetry, also COLORIMETRICAL.
HELIOCHROMICheliochromic adj. Pertaining to, or produced by, heliochromy.
HELIOCHROMIC adj. like a heliochrome, a photograph that reproduces the natural colours of the subject.
HELIOTROPISMheliotropism n. The property of some plants of turning under the influence of light; either positively (towards the…
HELIOTROPISM n. the movement of plants towards sunlight.
HEROICOMICALheroicomical adj. (Literature) Blending heroic and comical elements.
HEROICOMICAL adj. of a style that mixes the heroic and comic, also HEROICOMIC.
IODOMETRICALIODOMETRICAL adj. measured by iodine, also IODOMETRIC.
MELIORATIONSmeliorations n. Plural of melioration.
MELIORATION n. improvement, betterment.
MICROPOLISESMICROPOLIS n. a small city.
OLIGOSPERMIAoligospermia n. (Medicine) Low volume of semen.
OLIGOSPERMIA n. the condition of having less than the normal number of spermatozoa in the semen, a cause of infertility in men.
ORISMOLOGIESORISMOLOGY n. the science of defining technical terms.
OSMOLARITIESosmolarities n. Plural of osmolarity.
OSMOLARITY n. the quality of being osmotic.
PLEIOTROPISMpleiotropism n. (Genetics) pleiotropy.
PLEIOTROPISM n. the state of being pleiotropic, having an effect simultaneously on more than one character in the offspring.
POIKILOTHERMpoikilotherm adj. Cold-blooded.
poikilotherm n. A cold-blooded animal.
POIKILOTHERM n. an organism that takes on the temperature of its surroundings.
SERIOCOMICALseriocomical adj. Seriocomic.
SERIOCOMICAL adj. partly serious and partly comic, also SERIOCOMIC.
TIMBROLOGIESTIMBROLOGY n. the study of postage stamps.

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: 71 words
  • Scrabble in French: 37 words
  • Scrabble in Spanish: 35 words
  • Scrabble in Italian: 185 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 405 words


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