(Islam) A compensation gift given to a woman when divorced or repudiated by her husband.

That which causes mutation or change.

plural of mutator

Abbreviation of mutation.

(genetics) A genetic mutation that either inserts or deletes a number of nucleotides that is not divisible by three (i.e., a non-integer number of codons), altering the reading frame of the portion of the gene downstream of the mutation and causing it to code for a completely different protein sequence.

An alteration of the initial consonant of a word which occurs in certain Celtic languages under particular linguistic circumstances.

(linguistics) An alteration of the initial consonant of a word which occurs in certain Celtic languages under particular linguistic circumstances; lenition.

An alteration of the initial consonant of a word which occurs in certain Celtic languages under particular linguistic circumstances.

(linguistics) An etymological phenomenon when a new word or slang term develops from shortening and slightly altering a longer word.

(genetics) A mutation that involves the replacement, addition or deletion of a small number of bases (especially just one) at a specific site within a gene.