Collins COBUILD Advanced Learner’s Dictionary полностью

1 ADV Then means at a particular time in the past or in the future. □  He wanted an income after his retirement; until then, he wouldn't require additional money. □  The clinic opened for business last October and since then has treated more than 200 people.

2 ADJ [ADJ n] Then is used when you refer to something which was true at a particular time in the past but is not true now. □  The bill was enacted by the then Labour Government. ● ADV Then is also an adverb. □  Richard Strauss, then 76 years old, suffered through the war years in silence.

3 ADV [ADV before v] You use then to say that one thing happens after another, or is after another on a list. □  Add the oil and then the scallops to the pan, leaving a little space for the garlic.

4 ADV You use then in conversation to indicate that what you are about to say follows logically in some way from what has just been said or implied. □  'I wasn't a very good scholar at school.'—'What did you like doing best then?'

5 ADV You use then at the end of a topic or at the end of a conversation. □  'I'll talk to you on Friday anyway.'—'Yep. Okay then.'

6 ADV [adv ADV ] You use then with words like 'now', 'well', and 'okay', to introduce a new topic or a new point of view. □  Now then, you say you walk on the fields out the back?

7 ADV You use then to introduce the second part of a sentence which begins with 'if'. The first part of the sentence describes a possible situation, and then introduces the result of the situation. □  If the answer is 'yes', then we must decide on an appropriate course of action.

8 ADV You use then at the beginning of a sentence or after 'and' or 'but' to introduce a comment or an extra piece of information to what you have already said. □  He sounded sincere, but then, he always did.

9now and then → see now

10there and then → see there

thence /ðe ns/

1 ADV [oft ADV before v] Thence means from a particular place, especially when you are giving directions about how to get somewhere. [FORMAL , OLD-FASHIONED ] □  I ran straight up to Columbia County, then turned East, came down the Harlem Valley and thence home.

2 ADV [oft ADV before v] Thence is used to say that something changes from one state or condition to another. [FORMAL , OLD-FASHIONED ] □  …the conversion of sunlight into heat and thence into electricity.

thence|forth /ðe nsfɔː ^r θ/ ADV Thenceforth means starting from a particular time in the past that you have mentioned. [FORMAL ] □  My life was totally different thenceforth.

the|oc|ra|cy /θiɒ krəsi/ (theocracies ) N‑VAR A theocracy is a society which is ruled by priests who represent a god. [TECHNICAL ]

theo|crat|ic /θiː əkræ t I k/ ADJ [usu ADJ n] A theocratic society is ruled by priests who represent a god. [TECHNICAL ]

theo|lo|gian /θiː əloʊ dʒ ^ə n/ (theologians ) N‑COUNT A theologian is someone who studies the nature of God, religion, and religious beliefs.

the|ol|ogy /θiɒ lədʒi/ N‑UNCOUNT Theology is the study of the nature of God and of religion and religious beliefs. □  …questions of theology. ●  theo|logi|cal /θiː əlɒ dʒ I k ^ə l/ ADJ [usu ADJ n] □  …theological books.

theo|rem /θiː ərəm/ (theorems ) N‑COUNT A theorem is a statement in mathematics or logic that can be proved to be true by reasoning.

theo|reti|cal /θiː əre t I k ^ə l/

1 ADJ [usu ADJ n] A theoretical study or explanation is based on or uses the ideas and abstract principles that relate to a particular subject, rather than the practical aspects or uses of it. □  …theoretical physics.