| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
counter2 (ˈkaʊntə) ![]() | |
| —n | |
| 1. | a person who counts |
| 2. | an apparatus that records the number of occurrences of events |
| 3. | Geiger counter scintillation counter See crystal counter any instrument for detecting or counting ionizing particles or photons |
| 4. | electronics another name for scaler |
| [C14: from Old French conteor, from Latin computātor; see | |
| counter- | |
| —prefix | |
| 1. | against; opposite; contrary: counterattack |
| 2. | complementary; corresponding: counterfoil |
| 3. | duplicate or substitute: counterfeit |
| [via Norman French from Latin contrā against, opposite; see | |
count (kount)
v. count·ed, count·ing, counts
To name or list the units of a group or collection one by one in order to determine a total. n.
The act of counting or calculating.
The totality of specific items in a particular sample.
counter count·er (koun'tər)
n.
One that counts, especially an electronic or mechanical device that automatically counts occurrences or repetitions of phenomena or events.
counter- pref.
Contrary; opposite; opposing: countertransport.
Corresponding; complementary: counterincision.