la luce si propaga in linea retta

propagate

fig spread

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propagare v.tr. propagarsi v.intr.pron. to spread*, to propagate: le mosche propagano malattie, flies spread diseases; propagare luce, calore, to propagate light, heat; propagare notizie, to propagate (o to spread) news; le erbacce si propagarono per tutto il campo, the weeds spread all over the field; la luce si propaga in linea retta, light is propagated (o light travels) in straight lines; la malattia si propagò in fretta, the disease spread quickly: i pettegolezzi si propagano facilmente, gossip spreads easily.

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1. vt

Fis, Bio to propagate, (notizia, idea, contagio) to spread

2. vip (propagarsi)

(gen) to spread, (Fis : onde) to be propagated, Bio, (specie) to propagate

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verbo transitivo

1) (diffondere) to spread*, to propagate [idea, notizia]; to spread* [malattia, incendio]

2) biol. fis. to carry [ sostanza]; to propagate [onda, suono]

verbo pronominale propagarsi

1) (diffondersi) [idea, notizia, malattia] to take* hold, to spread*; [ incendio] to spread*, to sweep; [follia, moda] to spring* up

2) fis. [luce, suono] to travel; [materia, fluido] to propagate

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propagare

/propa'gare/ [1]

I verbo transitivo

 1 (diffondere) to spread*, to propagate [idea, notizia]; to spread* [malattia, incendio]

 2 biol. fis. to carry [ sostanza]; to propagate [onda, suono]

II propagarsi verbo pronominale

 1 (diffondersi) [idea, notizia, malattia] to take* hold, to spread*; [ incendio] to spread*, to sweep; [follia, moda] to spring* up

 2 fis. [luce, suono] to travel; [materia, fluido] to propagate.