Plusia gamma
Y Y (w[imac]), n.; pl. {Y's} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye. (b) A forked or bifurcated pipe fitting. (c) (Railroads) A portion of track consisting of two diverging tracks connected by a cross track. [1913 Webster]

{Y level} (Surv.), an instrument for measuring differences of level by means of a telescope resting in Y's.

{Y moth} (Zo["o]l.), a handsome European noctuid moth {Plusia gamma}) which has a bright, silvery mark, shaped like the letter Y, on each of the fore wings. Its larva, which is green with five dorsal white species, feeds on the cabbage, turnip, bean, etc. Called also {gamma moth}, and {silver Y}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Plusia gamma — Gammaeule Gammaeule (Autographa gamma) Systematik Klasse: Insekten (Insecta) Ordnung …   Deutsch Wikipedia

  • AUTOGRAPHA GAMMA L. (PHYTOMETRA GAMMA, PLUSIA GAMMA) - СОВКА ГАММА, МЕТАЛЛОВИДКА ГАММА — см. Autographa gamma L. (Phytometra gamma, Plusia gamma) Совка гамма, металловидка гамма (рис. 185, 186). Бабочка. Окраска передних крыльев от серовато коричневой до фиолетово бурой. Перевязи тонкие, извилистые, двойные. Круглое и почковидное… …   Насекомые - вредители сельского хозяйства Дальнего Востока

  • gamma moth — noun Etymology: New Latin gamma (specific epithet of Plusia gamma), from Late Latin, third letter of the Greek alphabet; from the likeness in shape of the marks on the forewings to small gammas : a migratory European noctuid moth (Plusia gamma)… …   Useful english dictionary

  • Gamma-Eule — Gammaeule Gammaeule (Autographa gamma) Systematik Klasse: Insekten (Insecta) Ordnung …   Deutsch Wikipedia

  • gamma moth — Y Y (w[imac]), n.; pl. {Y s} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of …   The Collaborative International Dictionary of English

  • Plusia gutta — Schafgarben Silbereule Schafgarben Silbereule (Macdunnoughia confusa) Systematik Klasse: Insekten (Insecta) …   Deutsch Wikipedia

  • Autographa gamma — Gamma Autographa gamma …   Wikipédia en Français

  • Autographa gamma — Gammaeule Gammaeule (Autographa gamma) Systematik Klasse: Insekten (Insecta) Ordnung …   Deutsch Wikipedia

  • Griechisches Gamma — Gammaeule Gammaeule (Autographa gamma) Systematik Klasse: Insekten (Insecta) Ordnung …   Deutsch Wikipedia

  • Phytometra gamma — Gammaeule Gammaeule (Autographa gamma) Systematik Klasse: Insekten (Insecta) Ordnung …   Deutsch Wikipedia

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