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a. (Zool.) Having concealed or rudimentary gills. [ 1913 Webster ]

n. a genus of cockroaches.
Syn. -- genus Cryptocercus. [ WordNet 1.5 ]

n. any plant of the genus Cryptocoryne; evergreen perennials growing in fresh or brackish water; tropical Asia.
Syn. -- water trumpet. [ WordNet 1.5 ]

a. [ Gr. krypto`s hidden + E. crystalline. ] (Geol.) Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the microscope. [ 1913 Webster ]

n. [ Cf. F. cryptogame. See Cryptogamia. ] (Bot.) A plant belonging to the Cryptogamia. Henslow. [ 1913 Webster ]

‖n.; pl. Cryptogamiæ [ NL., fr. Gr. krypto`s hidden, secret + ga`mos marriage. ] (Bot.) The series or division of flowerless plants, or those never having true stamens and pistils, but propagated by spores of various kinds. [ 1913 Webster ]

☞ The subdivisions have been variously arranged. The following arrangement recognizes four classes: -- I. Pteridophyta, or Vascular Acrogens. These include Ferns, Equiseta or Scouring rushes, Lycopodiaceæ or Club mosses, Selaginelleæ, and several other smaller orders. Here belonged also the extinct coal plants called Lepidodendron, Sigillaria, and Calamites. II. Bryophita, or Cellular Acrogens. These include Musci, or Mosses, Hepaticæ, or Scale mosses and Liverworts, and possibly Characeæ, the Stoneworts. III. Algæ, which are divided into Florideæ, the Red Seaweeds, and the orders Dictyoteæ, Oosporeæ, Zoosporeæ, Conjugatæ, Diatomaceæ, and Cryptophyceæ. IV. Fungi. The molds, mildews, mushrooms, puffballs, etc., which are variously grouped into several subclasses and many orders. The Lichenes or Lichens are now considered to be of a mixed nature, each plant partly a Fungus and partly an Alga. [ 1913 Webster ]

n. One skilled in cryptogamic botany. [ 1913 Webster ]

{ a. Of or pertaining to the series Cryptogamia, or to plants of that series. [ 1913 Webster ]

n. A cipher writing. Same as Cryptograph. [ 1913 Webster ]

n. a genus sometimes placed in the family Polypodiaceae or Cryptogrammataceae.
Syn. -- genus Cryptogramma. [ WordNet 1.5 ]

n. one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems.
Syn. -- family Cryptogrammataceae. [ WordNet 1.5 ]

n. [ Gr. krypto`s hidden + -graph: cf. F. cryptographe. ] Cipher; something written in cipher. “Decipherers of cryptograph.” J. Earle. [ 1913 Webster ]

a. Pertaining to cryptography; cryptographical. Boyle. [ 1913 Webster ]

n. 1. One who writes in cipher, or secret characters. [ 1913 Webster ]

2. one who studies methods for encoding and decoding messages; one who studies cryptography. [ PJC ]

{ } a. Relating to cryptography; written in secret characters or in cipher, or with sympathetic ink. [ 1913 Webster ]

n. Same as Cryptographer. [ 1913 Webster ]

n. [ Cf. F. cryptographie. ] 1. The act or art of writing in code or secret characters; also, secret characters, codes or ciphers, or messages written in a secret code. [ 1913 Webster +PJC ]

2. The science which studies methods for encoding messages so that they can be read only by a person who knows the secret information required for decoding, called the key; it includes cryptanalysis, the science of decoding encrypted messages without possessing the proper key, and has several other branches; see for example steganography. [ PJC ]

n. [ Gr. krypto`s hidden + -logy. ] Secret or enigmatical language. Johnson. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_;&unr_; secret + &unr_;&unr_;&unr_;&unr_; name. ] A secret name; a name by which a person is known only to the initiated. [ 1913 Webster ]