laf, seyl (#)
The overflowing of the normal confines of a stream or other body of water, or the accumulation of water over areas that are not normally submerged.
O.E. flod "a flowing of water, river, sea," from P.Gmc. *flothuz (cf. M.Du. vloet, Ger. Flut), from PIE *plo-/*pleu- "flow, float" (cf. Gk. ploein "to float, swim").
Laf "flood," from Lori, Kordi, Malâyeri, lé in Tabari, variants lur, lây "flood" [Mo'in, Dehxodâ]; cf. Gk. louein "to wash;" L. luere "to wash;" Bret. laouer "trough;" PIE *lou- "to wash." Seyl from Ar.
1) That part of a room, hallway, or the like, that forms its lower enclosing surface and
upon which one walks.
M.E. flor, from O.E. flor (cf. M.Du. vloer, M.H.G. vluor, Ger. Flur "field, meadow"), from PIE *plaros, from *pele- "flat; to spread."
Kaf "floor; plain ground."
Fr.: famille Flora
1) The act or state of remaining on the surface of a liquid.
From float, from M.E. floten, O.E. flotian (cf. O.N. flota, M.Du. vloten), akin to fleet + -ation.
Šenâvari "flotation," from šenâvar "that swims, floats," from šenâ "swimming;" Mid.Pers. šnâz "swim," šnâzidan "to swim;" Av. snā- "to wash, swim;" cf. Skt. snā- "to bathe, to wash;" L. nare, natare "to swim" (Fr. nage, nager, natation; Sp.nadar, natacion).
1) tacân; 2) tacidan
Fr.: 1) flot, écoulement; 2) couler, s'écouler
O.E. flowan, from P.Gmc. *flo- (cf. Du. vloeien "to flow," O.H.G. flouwen "to rinse, wash"), probably from PIE *pleu- "to flow, float" (cf. Skt. plavate "navigates, swims," plavayati "overflows;" Gk. plyno "I wash," pleo "swim, go by sea;" L. pluere "to rain;" Arm. helum "I pour;" Lith. pilu "to pour out").
1) Tacân, from tac- variant tâz- present stem of
tacidan, tâxtan, tâzidan "to run; to hasten; to assault,"
+ noun and adj. suffix -ân. Related to the first component are
Mod.Pers. tajan name of a river (initially "flowing, streaming, stream"),
tâzi "swift (greyhound)," tak "running, rush," from
Mid.Pers. tâz-, tâxtan "to flow, to cause to walk," tc- "to flow, to walk,"
tag "running, attack," tâzig "swift, fast;"
Khotanese ttajs- "to flow, to walk;" Av. tac- "to run, to flow,"
taciāp- "flowing water," tacinti (3pl.pers.act.) "to flow,"
tacar- "course," tacan "current, streaming;" cf.
Skt. tak- "to rush, to hurry," takti "runs;"
O.Ir. tech- "to flow;" Lith. teketi
"to walk, to flow;" O.C.S. tešti "to walk, to hurry;" Tokharian B cake
"river;" PIE base *tekw- "to run; to flow."
Fr.: ligne d'écoulement
Same as → streamline.
Fr.: tube d'écoulement
Same as → stream tube.
Fr.: aptitude à s'écouler, coulabilité
The ability of a body of matter (liquid, gas, loose particulate solid) to flow.
Tacandegi, from tacandé (originally tacandag), agent noun of tacidan, → flow, + noun suffix -i.
oftâxizidan, oftâxiz kardan (#)
To change continually; to shift back and forth; vary irregularly; to rise and fall in or as if in waves.
From L. fluctuationem (nom. fluctuatio), from fluctuare "to undulate," from fluctus "wave," from p.p. of fluere "to flow."
Verbal form of oftâxiz, → fluctuation.
Continual rise and fall.
Verbal noun of → fluctuate.
Oftâxiz "fall and rise," from oft "fall" stem of oftâdan "to fall" (Mid.Pers. opastan "to fall," patet "falls;" Av. pat- " to fly, fall, rush," patarəta- "winged;" cf. Skt. patati "he flies, falls," pátra- "wing, feather, leaf;" Gk. piptein "to fall," pterux "wing;" L. penna "feather, wing;" O.E. feðer "feather;" PIE base *pet- "to fly, rush") + -â- interfix + xiz present stem of xâstan, xizidan "to rise, get up" (Mid.Pers. xyz- "to stand up, rise;" Proto-Iranian *xiz- "to rise, ascend; increase").
1) Light, downy particles, as of cotton.
Apparently a variant of floow "wooly substance, down, nap," perhaps from Flemish vluwe, from Fr. velu "shaggy, hairy," from L. vellus "fleece," or L. villus "tuft of hair" (Online Etymology Dictionary).
Kork "down, soft wool, fluff," of unknown etymology.
Fr.: duveteux, bouffant
Of, resembling, or covered with fluff.
Korkvâr "resembling fluff," with -vâr, a suffix of possession, similarity, and aptitude (e.g., omidvâr, sezâvâr, sugvâr, šâhvâr, gušvâr), → -oid; korki adj. with -i.
fluffy dust grain
dâne-ye qobâr-e korkvâr
Fr.: grain de poussière duveteux
An aggregate of small particles loosely stuck together. Same as → porous dust grain.
A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; collective term for liquids and gases.
From L. fluidus "fluid, flowing," from fluere "to flow;" → flux.
Šârré, from šârr, → flux.
Fr.: dynamique des fluides
The branch of → fluid mechanics that deals with the movement of gases and liquids.
Fr.: mécanique des fluides
The ability of a substance to flow; reciprocal of → viscosity.
A type of → luminescence in which photons of lower energy are emitted as the result of absorption of energy by an atom or molecule from other radiation. The phenomenon lasts as long as the stimulus responsible for it is present.
Coined by English mathematician and physicist Sir George G. Stokes (1819-1903) from fluor-, from → fluorspar, + → -escence, a suffix of nouns denoting action or process, change, state or condition, etc.
Possessing the property of → fluorescence.