For those wanting to know what the new Snapchat emoji symbols mean, there is several different things that they repersent and these emojis have replaced the âBest Friendsâ feature with Friend Emojis smilies.
(plural tetrads) 1  A group of four things. ( 2 chemistry) A tetravalent atom or radical. ( biology) Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process.
Tetrameter: 4 beats (feet) or eight syllables per line of poetry ; Iambic Tetrameter: 4 beats (feet) of unstressed/stressed syllables (8 syllables total) Learning Outcomes. Learning about iambic tetrameter via this lesson could prepare you to: Define the terms iamb, tetrameter and iambic tetrameter