From a specified time in the past.
‘I met him last year, but haven't seen him since.’;
In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.
From: referring to a period of time ending in the present and defining it by the point in time at which it started, or the period in which its starting point occurred.
The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity.
Continuously during that period of time.
‘I have known her since last year.’;
At certain points during that period of time.
ratio of the opposite side to the hypotenuse of a right-angled triangle
From a definite past time until now; as, he went a month ago, and I have not seen him since.
‘We since become the slaves to one man's lust.’;
In mathematics, the sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle (the hypotenuse).
In the time past, counting backward from the present; before this or now; ago.
‘How many ages since has Virgil writ?’; ‘About two years since, it so fell out, that he was brought to a great lady's house.’;
When or that.
‘Do you remember since we lay all night in the windmill in St. George's field?’;
From the time of; in or during the time subsequent to; subsequently to; after; - usually with a past event or time for the object.
‘The Lord hath blessed thee, since my coming.’; ‘I have a model by which he build a nobler poem than any extant since the ancients.’;
Seeing that; because; considering; - formerly followed by that.
‘Since that my penitence comes after all,Imploring pardon.’; ‘Since truth and constancy are vain,Since neither love, nor sense of pain,Nor force of reason, can persuade,Then let example be obeyed.’;