English dictionary · noun

polyhedron

A solid figure with many flat faces and straight edges.

Meaning and definitions

1. A solid figure with many flat faces and straight edges.
2. A polyscope, or multiplying glass.
3. A stage in the growth of Hydrodictyon, when the resting spore breaks up into several megazoospores that put out horn-like appendages; these polyhedra break up into zoospores.

Connected roots

• poly-

  many, much

Explore the word family

These words share a recorded root connection. A shared root is a learning clue; it does not establish every step in a word’s history.

• polymer

  A long or larger molecule consisting of a chain or network of many repeating units, formed by chemically bonding together many identical or similar small molecules called monomers. A polymer is formed by polymerization, the joining of many monomer molecules.

• polytechnic

  That teaches applied arts, sciences, technology, engineering and other academic subjects.

• polynomial

  An expression consisting of a sum of a finite number of terms, each term being the product of a constant coefficient and one or more variables raised to a non-negative integer power, such as a_nxⁿ+a_n-1xⁿ⁻¹+...+a_0x⁰.

• polygamy

  The condition of having more than one spouse or marriage partner at one time.

• polygon

  a plane figure with at least three straight sides and angles

• polygraph

  A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception.

• polymorphism

  The ability to assume different forms or shapes.

• polymorphic

  Relating to polymorphism (any sense), able to have several shapes or forms.

• polyglot

  a person who knows and is able to use several languages

• polytheism

  The belief in the existence of multiple gods.

• oligopoly

  An economic condition in which a small number of sellers exert control over the market of a commodity.

• polyamorous

  Having relationships with multiple partners, with the knowledge and consent of all involved; engaging in polyamory.

Save this word and practice it →