The phrase "a bottom level" is correct and usable in written English.
It can be used to refer to the lowest tier or rank in a hierarchy, structure, or system.
Example: "In the organizational chart, the interns occupy a bottom level, reporting to the team leaders."
Alternatives: "a lowest tier" or "a foundational level".
That process requires a sump, a bottom level to which the weakest and least fit are thrust down beyond the point of survival, or at least of reproduction.
At 22, Lori joined the National Space Institute in a bottom level administrative role.
The expectation is that this figure will provide a guide to other possible buyers of a bottom level for acceptable bids - Clearlake will not be expecting actually to buy THQ.
"This is a bottom level maiden $20,000 claimer at 6 ½ furlongs.
Public debt-to GDP ratio has increased from a bottom level of 35percentt in the second Zapatero Administration to almost 100percentt under the current Rajoy Administration, closing the gap with Italy and Greece which bear unsustainable debt levels.
The scientists think the cave's ancient occupants divided the space into sections for different activities: a top level for butchering and preparing animals, a middle level for long-term living and a bottom level for use as a short-term base camp.
In 2010, O'Neill's handling of a horse named Burna Dette was called into question by the California Horse Racing Board after he entered the filly in a bottom-level race at Los Alamitos racetrack.
Owners and trainers at Parx — the former Philadelphia Park— must think that they have died and gone to heaven when they run a bottom-level $5,000 claimer in a race with a $25,000 purse — plus a bonus if the animal was bred in Pennsylvania.
Blockchain technology originated with Bitcoin as a bottom-level technology (Nakamoto 2008).
The capability learning is a bottom-level learning or micro-level learning.
And Fred Dana Andrewss), having held the highest rank of the three, returns to his cheap wife (Virginia Mayo) and a bottom-level job.
