A modified bud consisting of a thickened globular underground stem serving as a reproductive structure.

Roget 194: expansion; increase of size etc. 35; enlargement, extension, augmentation; amplification, ampliation^†; aggrandizement, spread, increment, growth, development, pullulation, swell, dilation, rarefaction; turgescence^†, turgidness, turgidity; dispansion^†; obesity etc. (size) 192; hydrocephalus, hydrophthalmus [Med.]; dropsy, tumefaction, intumescence, swelling, tumor, diastole, distension; puffing, puffiness; inflation; pandiculation^†.    dilatability, expansibility.    germination, growth, upgrowth^†; accretion etc. 35; budding, gemmation^†.    overgrowth, overdistension^†; hypertrophy, tympany^†.    bulb etc. (convexity) 250; plumper; superiority of size.    [expansion of the universe] big bang; Hubble constant.    ... show more

Roget 249: rotundity; roundness etc. adj.; cylindricity^†; sphericity, spheroidity^†; globosity^†.    cylinder, cylindroid^†, cylindrical; barrel, drum; roll, roller; rouleau^†, column, rolling-pin, rundle.    cone, conoid^†; pear shape, egg shape, bell shape.    sphere, globe, ball, boulder, bowlder^†; spheroid, ellipsoid; oblong spheroid; oblate spheroid, prolate spheroid; drop, spherule, globule, vesicle, bulb, bullet, pellet, pelote^†, clew, pill, marble, pea, knob, pommel, horn; knot (convolution) 248.    curved surface, hypersphere; hyperdimensional surface.    ... show more

Roget 250: convexity, prominence, projection, swelling, gibbosity^†, bilge, bulge, protuberance, protrusion; camber, cahot [U.S.].    thank-ye-ma'am [U.S.].    swell.    intumescence; tumour [Brit.], tumor; tubercle, tuberosity [Anat.]; excrescence; hump, hunch, bunch.    boss, embossment, hub, hubble; [convex body parts] tooth [U.S.], knob, elbow, process, apophysis^†, condyle, bulb, node, nodule, nodosity^†, tongue, dorsum, bump, clump; sugar loaf etc. (sharpness) 253; bow; mamelon^†; molar; belly, corporation^†, pot belly, gut [Coll.]; withers, back, shoulder, lip, flange.    [convexities on skin] pimple, zit [Slang]; wen, wheel, papula [Med.], pustule, pock, proud flesh, growth, sarcoma, caruncle^†, corn, wart, pappiloma, furuncle, polypus^†, fungus, fungosity^†, exostosis^†, bleb, blister, blain^†; boil etc. (disease) 655; airbubble^†, blob, papule, verruca.    [convex body parts on chest] papilla, nipple, teat, tit [Vulg.], titty [Vulg.], boob [Vulg.], knocker [Vulg.], pap, breast, dug, mammilla^†.    [prominent convexity on the face] proboscis, nose, neb, beak, snout, nozzle, schnoz [Coll.].    peg, button, stud, ridge, rib, jutty, trunnion, snag.    cupola, dome, arch, balcony, eaves; pilaster.    relief, relievo [It], cameo; bassorilievo^†, mezzorilevo^†, altorivievo; low relief, bas relief [Fr.], high relief.    hill etc. (height) 206; cape, promontory, mull; forehead, foreland^†; point of land, mole, jetty, hummock, ledge, spur; naze^†, ness.    ... show more

Polish: kolba, kaczan

Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.

synonyms: electric-light bulb, electric light, incandescent lamp, light bulb, lightbulb.

Dutch: peer, gloeilamp
Polish: żarówka

A rounded part of a cylindrical instrument (usually at one end).

Dutch: bol

Anything with a round shape resembling a teardrop.

Lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata).

synonyms: medulla, medulla oblongata.

Polish: zamózgowie, rdzeniomózgowie, rdzeń przedłużony

A rounded dilation or expansion in a canal or vessel or organ.