19-letter words containing o, c, t, f, i, d
- leading coefficient — the coefficient of the term of highest degree in a given polynomial. 5 is the leading coefficient in 5 x 3 + 3 x 2 − 2 x + 1.
- line of demarcation — a separation between things deemed to be distinct
- means of production — resources: equipment, workers
- ministry of defence — the government department responsible for the country's military measures or resources
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- officer of the deck — a naval duty officer responsible for the operation of the ship in the absence of the captain or the executive officer. Abbreviation: O.O.D.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- pocket-handkerchief — handkerchief (def 1).
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- production platform — offshore power station
- radioactive fallout — the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout) Compare rainout.
- radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
- reinforced concrete — concrete containing steel bars, strands, mesh, etc., to absorb tensile and shearing stresses.
- secondary infection — an infection resulting from another infection
- self identification — identification of oneself with some other person or thing.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- south african dutch — the Boers.
- to the prejudice of — to the detriment of
- tricks of the trade — expert techniques