A word for 'swinging back and forward' might be pivoting or oscillating.
combustion
A nine letter word for continuing forward despite opposition or discouragement is Persevere.
joules
Persevere means to continue forward despite opposition or discouragement.
Gas is a science word. Gravity is a science word.
forward
A word that is the same forward and back is called a palindrome. Examples of palindromes include racecar, mom, and detartrated.
That is the correct spelling of the word "swinging" (pendulum-like motion).
frontal? Forward?
The word that means forward when used for a fetal pig is "anterior." It is the opposite of posterior, which is the back or tail area.
It's another word for swinging at the ball with your bat.
At the park, I started swinging on a branch.
Arthur Riddle and the Swinging Senators From Pluto
In a scientific experiment that be the the constant
No, the word 'scientific' is an adjective, a word used to describe a noun; for example, a scientific experiment, a scientific expedition.
Separation is a scientific word.
The scientific word is erection.