that is meaning
EN- Adverb
- (conjunctive) In other words; that is to say. Used to introduce a clarification or explanation.
- (conjunctive) In other words; that is to say. Used to introduce a clarification or explanation.
- More Examples
- Used in the Middle of Sentence
- Briefly, a micronucleus/micronuclei (MN) is/are a small chromatin-containing structure(s) that is juxtaposed to the main nucleus or daughter binucleates following the completion of mitosis (Fig 1 ).
- I have a hard time tuning out a television that is on.
- It’s an apt metaphor for the music, a collision of African dance genres such as kuduro, kizomba and tarraxinha with house and techno that is unique to Lisbon’s ghettos.
- Used in the Beginning of Sentence
- That is the sluff of a rattler; we must be careful.
- That is a serious accusation, so make sure you have plenty of evidence before you point the finger at someone.
- That is the preponderating consideration to which everything else has to yield.
- Used in the Middle of Sentence
Definition of that is in English Dictionary
- Part-of-Speech Hierarchy
- Adverbs
- Conjunctive adverbs
- Uncomparable adverbs
- Conjunctive adverbs
- Adverbs
Source: Wiktionary
Grammatically, this idiom "that is" is an adverb, more specifically, a conjunctive adverb and an uncomparable adverb.