00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| Stone Age | |
| —n | |
| 1. | a period in human culture identified by the use of stone implements and usually divided into the Palaeolithic, Mesolithic, and Neolithic stages |
| —modifier | |
| 2. | (sometimes not capitals) of or relating to this period: stone-age man |
| Stone Age
The earliest known period of human culture, marked by the use of stone tools. See Mesolithic, Neolithic, Paleolithic. See Note at Three Age system. |
A period encompassing all of human history, perhaps several million years, before the Bronze Age. In the Stone Age, people learned to make and use stone tools and weapons.