An officer holding the rank of major or lieutenant colonel or colonel. Classified under: Nouns denoting people. Synonyms: field officer; field-grade officer; FO. Hypernyms (field-grade officer is a kind of...): commissioned military officer (a commissioned officer in the army or air force or marine corp) Domain category:
Pogonophobia is the fear of beards. The origin of the word pogono is Greek (meaning beard) and phobia is Greek (meaning fear). Pogonophobia is considered to be a specific phobia, which is discussed on the home page.
Comprehensive Description. The Pogonophora, or beard worms, live in thin tubes buried in sediments at ocean depths from 100 to 10,000 meters. The tubes are composed of chitin and scleroproteins secreted by the epidermis. Most pogonophorans are less than 1 mm in diameter, but 10 to 75 cm in length.The tubes may be 3 to 4 times the length of the worm.he tubes are composed of chitin and scleroproteins secreted by the epidermis. Most pogonophorans are less than 1 mm in diameter, but 10 to 75 cm in length. The tubes may be 3 to 4 times the length of the worm.