13-letter words containing i, l, f, o, r, d
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- ordered field — Mathematics. a field containing a subset of elements closed under addition and multiplication and having the property that every element in the field is either zero, in the subset, or has its additive inverse in the subset.
- overamplified — amplified too much, causing distortion or discomfort, etc
- overqualified — having more education, training, or experience than is required for a job or position.
- quadrifoliate — (botany) Having four leaves or leaflets.
- railroad flat — an apartment whose series of narrow rooms forms a more or less straight line.
- rock-fill dam — a dam built mainly of rocks of various sizes fitted compactly together.
- school friend — A school friend is a friend of yours who is at the same school as you, or who used to be at the same school when you were children.
- self-ordained — to invest with ministerial or sacerdotal functions; confer holy orders upon.
- self-oriented — the Orient, the countries of Asia, especially East Asia. (formerly) the countries to the E of the Mediterranean.
- spadicifloral — having flowers borne on a spadix
- spider flower — cleome
- splendiferous — splendid; magnificent; fine.
- tetrafluoride — a fluoride containing four fluorine atoms.
- trading floor — stock exchange: room where trading is done
- unrefined oil — oil that hasn't been refined or processed
- waterflooding — (in oil, gas, or petroleum production) the practice of injecting water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells
- well-informed — having extensive knowledge, as in one particular subject or in a variety of subjects.
- words fail me — I am too happy, sad, amazed, etc, to express my thoughts
- working fluid — a liquid or gaseous working substance.