29-letter words containing a, c, h, i, e
- training opportunities scheme — a former government scheme offering vocational training to unemployed people
- trichloromethyl chloroformate — diphosgene.
- until one is blue in the face — to the utmost degree; indefinitely
- variational graphics extended — (software) (VGX) Software developed by SDRC for use in 3D CAD solid modelling.
- virtual storage access method — (database) (VSAM) An IBM disk file storage scheme first used in S/370 and virtual storage. VSAM comprises three access methods: Keyed Sequenced Data Set (KSDS), Relative Record Data Set (RRDS), and Entry Sequenced Data Set (ESDS). Both IMS/DB and DB2 are implemented on top of VSAM and use its underlying data structures.
- war of the spanish succession — a war (1701–14) fought by Austria, England, the Netherlands, and Prussia against France and Spain, arising from disputes about the succession in Spain after the death of Charles II of Spain.
- yet another compiler compiler — (tool, language) (yacc) The LALR parser generator found on most Unix systems. Also, the language used to describe the syntax of another language to yacc (the program). Implementations: ayacc, YAY, perln-byacc, SASL-Yacc - "Yacc in SASL - An Exercise in Functional Programming", Simon Peyton-Jones, Software Prac & Exp 15:807-820 (1985). Mentions also a BCPL implementation. Yacc++ - 1990. An object-oriented rewrite of yacc, supports regular expressions, produces an LR1 grammar parser. Chris Clark, Compiler Resources Inc, +1 (508) 435-5016. MLYACC - Implementation and output in SML/NJ. ftp:research.att.com/dist/ml/75.tools.tar.Z. A version, by David Poole at Montana University has been retargeted to Turbo Pascal. See also Bison, yet another, Yet Another Yacc.
- you can't hear yourself think — If you say that you can't hear yourself think, you are complaining and emphasizing that there is a lot of noise, and that it is disturbing you or preventing you from doing something.