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skull

(Encyclopedia)CE5 Bones of skull skull, the skeletal structure of the head, composed of the facial and cranial bones. The skull houses and protects the brain and most of the chief sense organs; i.e., the eyes, ...

Persian language

(Encyclopedia)Persian language, member of the Iranian group of the Indo-Iranian subfamily of the Indo-European family of languages (see Indo-Iranian languages). The official language of Iran, it has about 38 millio...

Egyptian language

(Encyclopedia)Egyptian language, extinct language of ancient Egypt, a member of the Afroasiatic family of languages (see Afroasiatic languages). The development of ancient Egyptian is usually divided into four peri...

snorkel

(Encyclopedia)snorkel, tube through which a submarine or diver can draw air while underwater. When in use, the top of the snorkel tube extends above the water surface into the air. The first snorkels were probably ...

pidgin

(Encyclopedia)pidgin pĭjˈən [key], a lingua franca that is not the mother tongue of anyone using it and that has a simplified grammar and a restricted, often polyglot vocabulary. The earliest documented pidgin i...

Church Slavonic

(Encyclopedia)Church Slavonic, language belonging to the South Slavic group of the Slavic subfamily of the Indo-European family of languages (see Slavic languages). Although it is still the liturgical language of m...

gastropod

(Encyclopedia)CE5 Internal anatomy of a snail, Helix aspersa, representative mollusk of the class Gastropoda gastropod, member of the class Gastropoda, the largest and most successful class of mollusks (phylum ...

language acquisition

(Encyclopedia)language acquisition, the process of learning a native or a second language. The acquisition of native languages is studied primarily by developmental psychologists and psycholinguists. Although how c...

Bulgarian language

(Encyclopedia)Bulgarian language, member of the South Slavic group of the Slavonic subfamily of the Indo-European family of languages (see Slavic languages). Bulgarian is the native tongue of some 9 million people,...

Caucasian languages

(Encyclopedia)Caucasian languages, family of languages spoken by about 7 million people in the Caucasus region of SE European Russia. The Caucasian languages take their name from the Caucasus Mountains, on the slop...