| PERMAFROSTS | • permafrosts n. Plural of permafrost. • PERMAFROST n. permanently frozen subsoil. |
| PERMANENCES | • permanences n. Plural of permanence. • PERMANENCE n. the state of being permanent, also PERMANENCY. |
| PERMANENTLY | • permanently adv. In a permanent manner; lastingly. • permanently adv. Forever. • PERMANENT adv. remaining, or intended to remain, indefinitely. |
| PERMANGANIC | • PERMANGANIC adj. applied to an acid and its anhydride containing more oxygen than manganic acid and anhydride. |
| PERMEAMETER | • permeameter n. (Geology) A device used to measure the permeability of a fluid (e.g., water) through a porous material. • permeameter n. (Physics) An instrument used to measure the electromagnetic permeability of a material. • PERMEAMETER n. instrument for measuring permeability. |
| PERMEATIONS | • permeations n. Plural of permeation. • PERMEATION n. the act of permeating. |
| PERMETHRINS | • permethrins n. Plural of permethrin. • PERMETHRIN n. a garden pesticide. |
| PERMILLAGES | • permillages n. Plural of permillage. • PERMILLAGE n. reckoning by the thousand. |
| PERMISSIBLE | • permissible adj. Permitted. • PERMISSIBLE adj. that can be permitted. |
| PERMISSIBLY | • permissibly adv. In a permissible manner. • PERMISSIBLE adv. that can be permitted. |
| PERMISSIONS | • permissions n. Plural of permission. • PERMISSION n. the act of permitting. |
| PERMITTANCE | • permittance n. The act of permitting; allowance; permission; leave. • permittance n. (Electricity) The power of a dielectric to permit or enhance induction. • PERMITTANCE n. permission. |
| PERMUTATING | • permutating v. Present participle of permutate. • PERMUTATE v. to alter the order, sequence, or arrangement of, also PERMUTE. |
| PERMUTATION | • permutation n. One of the ways something exists, or the ways a set of objects can be ordered. • permutation n. (Mathematics) A one-to-one mapping from a finite set to itself. • permutation n. (Mathematics, combinatorics) An ordering of a finite set of distinct elements. |