siliceous

or si·li·cious

[ suh-lish-uhs ]

adjective

1. containing, consisting of, or resembling silica.
2. growing in soil rich in silica.

siliceous

/ sɪˈlɪʃəs /

adjective

1. of, relating to, or containing abundant silica

   siliceous deposits

   a siliceous clay

2. (of plants) growing in or needing soil rich in silica

siliceous

/ sĭ-lĭsh′əs /

1. Resembling or containing silica.

Other Words From

• nonsi·liceous adjective
• nonsi·licious adjective

Word History and Origins

Origin of siliceous¹

First recorded in 1650–60, siliceous is from the Latin word siliceus of flint or limestone. See silex, -eous

Example Sentences

Siliceous earth is not affected by the strongest heat, except by means of a burning lens, or dephlogisticated air.

From Project Gutenberg

Mention an instance of the abundant occurrence in the sea of animalcules with siliceous coverings and skeletons.

From Project Gutenberg

In many cases I believe that each half-frustule becomes coated with a new entire cell-wall, with its siliceous valves.

From Project Gutenberg

The rejected scoriæ have been found to be composed of siliceous matter 59, oxide of copper 1, oxide of tin 0·7.

From Project Gutenberg

These siliceous particles in their descent serve to extricate the air from the mass.

From Project Gutenberg