biology Reproduction by the union or fusion of gametes of the same size and structure.

Roget 17: similarity, resemblance, likeness, similitude, semblance; affinity, approximation, parallelism; agreement etc. 23; analogy, analogicalness^†; correspondence, homoiousia^†, parity.    connaturalness^†, connaturality^†; brotherhood, family likeness.    alliteration, rhyme, pun.    repetition etc. 104; sameness etc. (identity) 13; uniformity etc. 16; isogamy^†.    analogue; the like; match, pendant, fellow companion, pair, mate, twin, double, counterpart, brother, sister; one's second self, alter ego, chip of the old block, par nobile fratrum [Lat.], Arcades ambo^†, birds of a feather, et hoc genus omne [Lat.]; gens de meme famille [Fr.].    parallel; simile; type etc. (metaphor) 521; image etc. (representation) 554; photograph; close resemblance, striking resemblance, speaking resemblance, faithful likeness, faithful resemblance.    ... show more

Roget 357: organized world, organized nature; living nature, animated nature; living beings; organic remains, fossils.    protoplasm, cytoplasm, protein; albumen; structure etc. 329; organization, organism.    [Science of living beings] biology; natural history, organic chemistry, anatomy, physiology; zoology etc. 368; botany; microbiology, virology, bacteriology, mycology etc. 369; naturalist.    archegenesis etc. (production) 161^†; antherozoid^†, bioplasm^†, biotaxy^†, chromosome, dysmeromorph^†; ecology, oecology; erythroblast [Physio.], gametangium^†, gamete, germinal matter, invagination [Biol.]; isogamy^†, oogamy^†; karyaster^†; macrogamete^†, microgamete^†; metabolism, anabolism, catabolism; metaplasm^†, ontogeny, ovary, ovum, oxidation, phylogeny, polymorphism, protozoa, spermary^†, spermatozoon, trophoplasm^†, vacuole, vertebration^†, zoogloea^†, zygote.    Darwinism, neo-Darwinism, Lamarkism, neoLamarkism, Weismannism.    morphology, taxonomy.    ... show more

Dutch: isogamie
Polish: izogamia