A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds.
carbomethoxy
carbomethoxy
noun
(organic chemistry, in combination) A methyl ester of a carboxylic acid when used as a substituent -CO₂-CH₃
chartophylax
chartophylax
noun
(historical) An ecclesiastical officer in charge of official documents and records in the Greek Orthodox Church in Byzantine times.
citharexylum
hydroextract
hypercomplex
hypercomplex
adj
(mathematics) Describing any of several types of higher-dimensional numbers having some characteristics of complex numbers.
noun
(mathematics) A hypercomplex number.
hyperexcited
hyperexcited
adj
Very highly excited.
lexicography
lexicography
noun
(countable) A dictionary, a lexicon, a wordbook.
(uncountable) The art or craft of compiling, writing, and editing dictionaries.
(uncountable, linguistics) The scholarly discipline of analysing and describing the semantic, syntagmatic and paradigmatic relationships within the lexicon (vocabulary) of a language and developing theories of dictionary components and structures linking the data in dictionaries.
methoxychlor
methoxychlor
noun
(organic chemistry) A synthetic organochlorine used as an insecticide.
