(chemistry) A systematic name for an element, derived from the digits of its atomic number to which the suffix -(i)um is appended; normally only used for transuranic elements before or for a short period after they have been created, after which they will be given a non-systematic name.

(attributive) decree nisi

(Internet) A unique, case-insensitive name that identifies a realm of administrative autonomy, authority or control within the Internet.

(dated) completely and with violence

(uncountable) The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters.

(chemistry) The hypothetical charge of an atom within a molecule.

(simile) Very nervous.

Clothing of a particular style and colours worn to represent a country at international events, or as part of national celebrations.

(Christianity) A name given usually by a pastor to a confirmand during a confirmation ceremony in various Christian denominations.

(cricket, of a batsman at the end of an innings) not dismissed and having not retired. / Used other than figuratively or idiomatically: see not, out.