18-letter words containing p, o, l, y, d, r
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
- withdrawal symptom — effects of stopping a drug