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Pronunciation:  d`ifur`enshee'eyshun

WordNet Dictionary
  1. [n]  the mathematical process of obtaining the derivative of a function
  2. [n]  a discrimination between things as different and distinct; "it is necessary to make a distinction between love and infatuation"
  3. [n]  (biology) the structural adaptation of some body part for a particular function; "cell differentiation in the developing embryo"

DIFFERENTIATION is a 15 letter word that starts with D.


 Synonyms: distinction, specialisation, specialization
 See Also: adaptation, adjustment, contradistinction, contrast, demarcation, discrimination, dividing line, hairsplitting, line, mathematical operation, mathematical process, operation, secernment, word-splitting



Webster's 1913 Dictionary
\Dif`fer*en`ti*a"tion\, n.
1. The act of differentiating.

         Further investigation of the Sanskrit may lead to
         differentiation of the meaning of such of these
         roots as are real roots.              --J. Peile.

2. (Logic) The act of distinguishing or describing a thing,
   by giving its different, or specific difference; exact
   definition or determination.

3. (Biol.) The gradual formation or production of organs or
   parts by a process of evolution or development, as when
   the seed develops the root and the stem, the initial stem
   develops the leaf, branches, and flower buds; or in animal
   life, when the germ evolves the digestive and other organs
   and members, or when the animals as they advance in
   organization acquire special organs for specific purposes.

4. (Metaph.) The supposed act or tendency in being of every
   kind, whether organic or inorganic, to assume or produce a
   more complex structure or functions.

Medical Dictionary
 Definition: In cancer, refers to how mature (developed) the cancer cells are in a tumor. Differentiated tumor cells resemble normal cells and tend to grow and spread at a slower rate than undifferentiated or poorly-differentiated tumor cells, which lack the structure and function of normal cells and grow uncontrollably.
Biology Dictionary
 Definition: The process by which cells become structurally and functionally specialized during embryonic development.
 Definition: organization in separate units for various activities and purposes.
Thesaurus Terms
 Related Terms: addition, alteration, analysis, anatomization, approximation, atomization, capriciousness, change, changeability, changeableness, characterization, choppiness, contradistinction, dappleness, definition, demarcation, denomination, denotation, description, designation, desynonymization, deviation, difference, differencing, differentness, disclosure, discrimination, disequalization, disjunction, disorder, distinction, distinctiveness, distinguishment, divarication, divergence, diversification, division, egohood, equation, evolution, expression, extrapolation, fingering, hairsplitting, hint, human factor, identification, identity, inconsistency, inconstancy, indication, indicativeness, individualism, individuality, individualization, individuation, inequality, instability, integration, integrity, interpolation, inversion, involution, irregularity, jerkiness, manifestation, meaning, mercuriality, microscopic distinction, modification, motleyness, multiplication, mutability, naming, nice distinction, nominalism, nonconformism, nonconformity, nonstandardization, nonuniformity, notation, nuance, oneness, particularism, particularity, particularization, personal equation, personal identity, personality, personalization, personship, picking out, pluralism, pointing, pointing out, pointing to, practice, proportion, raggedness, reduction, segregation, selection, selfhood, self-identity, selfness, separation, severalization, severance, shade of difference, show, showing, signification, singularity, soul, specialization, specification, subtle distinction, subtraction, suggestion, symptomaticness, transformation, trichoschistism, unconformism, unconformity, unevenness, uniqueness, unorthodoxy, unsteadiness, variability, variation, variegation, variety, variousness, versatility, wavering