It's a variation on "over" where you don't say the letter "v". It is like a contraction; like the difference between don't and do not.
The answer is 'painless operation'.
Er 70s mean,(er) electro resistance, 70s mean 70000 tensil strenth
er ist = he is
Wreak-er because it means a destroyer and it has er in it
mot-o-yas-er
he
ER can mean emergency room or extended release, depending on the context.Emergency Room
"didi-er" has no meaning in Hebrew.
The answer to the brain teaser "O ER T O" is "TOO". The letters can be rearranged to form the word "TOO", and the clue suggests a hidden meaning by indicating that the letters represent something that is "over" or "too much." The "O" at the beginning and end reinforces this concept.
notin
Nothing
cuando se us most o more er o est