sience.html - n.
1 a kind of ferruginous earth used as a pigment in paint.
2 its colour of yellowish-brown (raw sienna) or reddish-brown (burnt sienna). [It. (terra di) Sienna (earth of) Siena in Tuscany]

sience.html - n.
1 a a military operation in which an attacking force seeks to compel the surrender of a fortified place by surrounding it and cutting off supplies etc. b a similar operation by police etc. to force the surrender of an armed person. c the period during which a siege lasts.
2 a persistent attack or campaign of persuasion.

lay siege to esp. Mil. conduct the siege of. raise the siege of abandon or cause the abandonment of an attempt to take (a place) by siege. siege-gun hist. a heavy gun used in sieges. siege-train artillery and other equipment for a siege, with vehicles etc. [ME f. OF sege seat f. assegier BESIEGE]

sience.html - n.
Electr. the SI unit of conductance, equal to one reciprocal ohm.

Abbr.: S. [W. von Siemens, Ger. electrical engineer, d. 1892]

sience.html - n.
1 a kind of ferruginous earth used as a pigment in paint.
2 its colour of yellowish-brown (raw sienna) or reddish-brown (burnt sienna). [It. (terra di) Sienna (earth of) Siena in Tuscany]

sience.html - n.
a long jagged mountain chain, esp. in Spain or Spanish America. [Sp. f. L serra saw]

sience.html - n.
an afternoon sleep or rest esp. in hot countries. [Sp. f. L sexta (hora) sixth hour]