25-letter words containing c, h, i, p, e, r
- thin-layer chromatography — chromatography in which glass plates coated with thin layers of alumina, silica gel, or cellulose are used as an adsorbent.
- transcendental-philosophy — transcendental character, thought, or language.
- tribasic sodium phosphate — sodium phosphate (def 3).
- undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously