Tetragram

//ˈtɛ.tɹəˌɡɹæm// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A group of four letters.
  2. 2
    a word that is written with four letters in an alphabetic writing system wordnet
  3. 3
    In the Taixuanjing, a sequence of four lines, each of which may be unbroken, broken once, or broken twice. Each sequence is interpreted as an element of the sets of solid lines (⚊ for Heaven), once-broken lines (⚋ for Earth) and twice-broken lines (𝌀 for Man) formed by combinations of four monograms (two digrams or bigrams, in other words) in the divination of the Taixuanjing.

Example

More examples

"On the 27th of March of 2015, I first encounter now the word "tetragram." It is apparently any square-shaped symbol of a complex writing system in the Sinosphere. A sinogram, or sinograph, is a tetragram. It is my first time of learning that term. "Tetra" means four. Japanese Kana are tetragrams, as well as Korean Hangeul, because they are square-shaped, too."

Etymology

From tetra- + -gram.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.