27-letter words containing n, e, a, t, h, p
- trichlorophenoxyacetic acid — an insoluble crystalline solid; 2,4,5-trichlorophenoxyacetic acid. It is a plant hormone and is used as a weedkiller. Formula: C8H5Cl3O3
- wirehaired pointing griffon — griffon2 (def 2).