[pen-tag-uh-noid] /pɛnˈtæg əˌnɔɪd/
like a in shape.
- Pentagon papers
A classified study of the Vietnam War that was carried out by the Department of Defense. An official of the department, Daniel Ellsberg, gave copies of the study in 1971 to the New York Times and Washington Post. The Supreme Court upheld the right of the newspapers to publish the documents. In response, President Richard […]
[pen-tuh-gram] /ˈpɛn təˌgræm/ noun 1. a five-pointed, star-shaped figure made by extending the sides of a regular pentagon until they meet, used as an occult symbol by the Pythagoreans and later philosophers, by magicians, etc. /ˈpɛntəˌɡræm/ noun 1. a star-shaped figure formed by extending the sides of a regular pentagon to meet at five points […]
[pen-tuh-hee-druh n] /ˌpɛn təˈhi drən/ noun, plural pentahedrons, pentahedra [pen-tuh-hee-druh] /ˌpɛn təˈhi drə/ (Show IPA) 1. a solid figure having five faces. /ˌpɛntəˈhiːdrən/ noun (pl) -drons, -dra (-drə) 1. a solid figure having five plane faces See also polyhedron
[pen-tuh-hahy-dreyt] /ˌpɛn təˈhaɪ dreɪt/ noun, Chemistry. 1. a that contains five molecules of water, as potassium molybdate, KMoO 4 ⋅5H 2 O.