modification

1. is a type of: change - the action of changing something
   subtypes:

   • laxation, loosening - the act of making something less tight
   • tightening - the act of making something tighter
   • accommodation - (physiology) the automatic adjustment in focal length of the natural lens of the eye
   • adaptation - (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
   • tune - the adjustment of a radio receiver or other circuit to a required frequency
   same as: adjustment, alteration
2. is a type of: copy - a thing made to be similar or identical to another thing
3. is a type of: grammatical relation - a linguistic relation established by grammar
   subtypes:

   • restrictiveness - a grammatical qualification that makes the meaning more specific (`red hat' has a more specific meaning than `hat')
   • apposition - a grammatical relation between a word and a noun phrase that follows
   same as: limiting, qualifying
4. is a type of: happening, natural event, occurrence, occurrent - an event that happens
   subtypes:

   • acceleration - an increase in rate of change
   • deceleration, retardation, slowing - a decrease in rate of change
   • avulsion - an abrupt change in the course of a stream that forms the boundary between two parcels of land resulting in the loss of part of the land of one landowner and a consequent increase in the land of another
   • break - an abrupt change in the tone or register of the voice (as at puberty or due to emotion)
   • mutation - a change or alteration in form or qualities
   • sublimation - (psychology) modifying the natural expression of an impulse or instinct (especially a sexual one) to one that is socially acceptable
   • surprise - a sudden unexpected event
   • birth, nascence, nascency, nativity - the event of being born
   • breakup, detachment, separation - coming apart
   • vagary - an unexpected and inexplicable change in something (in a situation or a person's behavior, etc.)
   • fluctuation, variation - an instance of change; the rate or magnitude of change
   • conversion - a change of religion
   • death, decease, expiry - the event of dying or departure from life
   • decrease, drop-off, lessening - a change downward
   • destabilization - an event that causes a loss of equilibrium (as of a ship or aircraft)
   • increase - a change resulting in an increase
   • easing, moderation, relief - a change for the better
   • deformation - alteration in the shape or dimensions of an object as a result of the application of stress to it
   • transition - a change from one place or state or subject or stage to another
   • shift, transformation, transmutation - a qualitative change
   • scintillation, sparkling, twinkle - a rapid change in brightness; a brief spark or flash
   • play, shimmer - a weak and tremulous light
   • transmutation - (physics) the change of one chemical element into another (as by nuclear decay or radioactive bombardment)
   • damage, harm, impairment - the occurrence of a change for the worse
   • development - a recent event that has some relevance for the present situation
   • revolution - a drastic and far-reaching change in ways of thinking and behaving
   • chromosomal mutation, genetic mutation, mutation - (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
   • sex change - a change in a person's physical sexual characteristics (as by surgery and hormone treatments)
   • loss of consciousness - the occurrence of a loss of the ability to perceive and respond
   same as: alteration, change

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