To breath something in or to smell something e.g. I inhaled the smell of sweets from a mile away!
Breathing in maybe?
Inspiration is something that motivates you towards your goal; that gives you a great idea that you feel urged to implement. The word "inspiration" is also used to mean the same as the word "inhalation," breathing in as opposed ot breathing out.
I think you mean Respiration
is, according to the Oxford English Dictionary, "a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust found in volcanoes' but occurring chiefly as an instance of a very long word."[1] It was coined to serve as the longest English word. It is one of several several dust inhalation lung diseases called pneumoconeoses. Pneumonoultramicroscopicsilicovolcanoconiosis (also spelled -koniosis) is, according to the Oxford English Dictionary, "a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust found in volcanoes' but occurring chiefly as an instance of a very long word. It was coined to serve as the longest English word. The more general and widely used term for this condition is pneumoconiosis. From Reference.com
It refers to a disease caused by the inhalation of small particles of quartz or silica. The Oxford English Dictionary regards it as a made-up word, made specifically in order to create the longest word in the English language.
"After the workout, take a deep inhalation to fill your lungs with fresh air." "The doctor instructed the patient to practice slow, controlled inhalation exercises to relax." "Be mindful of your breath and focus on the sensation of inhalation and exhalation during meditation." "Inhale deeply before diving into the cold water to prepare your body for the shock."
Firemen are trained to resuscitate victims of smoke inhalation.
Toxic inhalation hazard
Pneumonoultramicroscopicsilicovolcanoconiosis- according to the Oxford English Dictionary (OED) - is a word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust, causing inflammation in the lungs'.
PneumonoultramicroscopicsilicovolcanoconiosisPneumonoultramicroscopicsilicovolcanoconiosis is, according to the Oxford English Dictionary, "a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust, causing inflammation in the lungs." A condition meeting the word's definition is normally called silicosis.
The opposite of the prefix "ex" is "in". So the opposite of the word exhalation is inhalation.
an invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust.