If you are referring to telling time, people generally write out the word or they use an abbreviation (sec). I have also seen a single apostrophe used for minutes and a double apostrophe used for seconds, but it is not very common these days. If there is some other kind of second you are asking about, please give us more information.
Just the lowercase letter s
second - the SI unit of time.
LXX is the symbol for the Greek Septuagint translation of the Bible, originally produced in the third and second centuries BCE.
八月 the first character means eight and the second means month
put a line on top of the number for example a line on top of second number its easy
A "term" is each of the parts of the expression that are combined with plus or minus symbols. For example, in x2 + xy + y2, you have three terms; one before the first plus symbol; one between the two plus symbols; one after the second plus symbol.
The symbol of mendelevium, Md: the first and the second letters of the name.
The S unit for time is the second and the symbol is s.
the element is neon and the symbol is Ne.
The base unit of time is the second, which is abbreviated 's.' (or 'sec.').
S is the symbol for second.
hold up one finger
the kanji symbol for fate is . the first symbo, is refering to destiny while the second is the transport too.
The accent is on the first symbol.
Superman is more famous, in fact the Superman symbol is the second most recognizable symbol on Earth.
Helium is the second element on the periodic table and its chemical symbol is He.