The act of operating on living animals (especially in scientific research).

Roget 378: pain; suffering, sufferance, suffrance^†; bodily pain, physical pain, bodily suffering, physical suffering, body pain; mental suffering etc. 828; dolour, ache; aching etc. v.; smart; shoot, shooting; twinge, twitch, gripe, headache, stomach ache, heartburn, angina, angina pectoris [Lat.]; hurt, cut; sore, soreness; discomfort, malaise; cephalalgia [Med.], earache, gout, ischiagra^†, lumbago, neuralgia, odontalgia^†, otalgia^†, podagra^†, rheumatism, sciatica; tic douloureux [Fr.], toothache, tormina^†, torticollis^†.    spasm, cramp; nightmare, ephialtes^†; crick, stitch; thrill, convulsion, throe; throb etc. (agitation) 315; pang; colic; kink.    sharp pain, piercing pain, throbbing pain, shooting pain, sting, gnawing pain, burning pain; excruciating pain.    anguish, agony; torment, torture; rack; cruciation^†, crucifixion; martyrdom, toad under a harrow, vivisection.    ... show more

Roget 907: malevolence; bad intent, bad intention; unkindness, diskindness^†; ill nature, ill will, ill blood; bad blood; enmity etc. 889; hate etc. 898; malignity; malice, malice prepense^†; maliciousness etc. adj.; spite, despite; resentment etc. 900.    uncharitableness etc. adj.; incompassionateness etc. 914.1^†; gall, venom, rancor, rankling, virulence, mordacity^†, acerbity churlishness etc. (discourtesy) 895.    hardness of heart, heart of stone, obduracy; cruelty; cruelness etc. adj.; brutality, savagery; ferity^†, ferocity; barbarity, inhumanity, immanity^†, truculence, ruffianism; evil eye, cloven foot; torture, vivisection.    ill turn, bad turn; affront etc. (disrespect) 929; outrage, atrocity; ill usage; intolerance, persecution; tender mercies [Iron.]; unkindest cut of all" [Julius Caesar]. ... show more

Dutch: vivisectie
Polish: wiwisekcja