F distribution
The sampling distribution of the ratio of two independent quantities each of which is distributed like a sample variance from a normal distribution. |
f.
Taxonomy: (abbr.: f.; from the Latin 'forma') i. A recognizable variant of a species that appears repeatedly; may be sexual, geographical or seasonal. May be divided into subforms (abbr. = subf. or subff.).
ii. A sub-division of an organism characterized from a physiological standpoint (especially host adaptation); cf. forma specialis.
Ecology: The resting place of a wild rabbit or ... |
f.a.s.
English: FAS [definition]
Español: puesto costado del buque [definition]
Français: FAS [definition]
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F.O.B.
Sigle correspondant aux initiales 'free on board' indiquant que le prix mentionné s'entend pour la marchandise chargée à bord de l'engin dûment spécifié qui doit l'exporter, avion, péniche, bateau, wagon, camion, etc. Rem. si la marchandise est dans un port il y a lieu de préciser F.O.B. bateau.Syn. franco à bord. |
f.o.b.
English: FOB [definition]
Español: sobre bordo [definition]
Français: F.O.B. [definition]
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f.o.c.
English: FOC [definition]
Español: sobrevagón [definition]
Français: franco wagon départ [definition]
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f.sp.
See also: Form
A taxon 'characterized from a physiological [especially host adaptation] stand-point but scarcely or not at all from a morphological stand-point' (Bot. Code, Art. 4 Note). (BSPP) |
f.sp.
A taxon 'characterized from a physiological [especially host adaptation] stand-point but scarcely or not at all from a morphological stand-point' (Bot. Code, Art. 4 Note). (BSPP) |
F1
The first filial generation, or the first-generation offspring of a given mating. |
F2
The second filial generation. It is in this generation that segregation first occurs. |