The phrase "a visible indication of" is correct and usable in written English.
It can be used when describing something that serves as a clear sign or signal of a particular condition or situation.
Example: "The dark clouds were a visible indication of the approaching storm."
Alternatives: "a clear sign of" or "an evident marker of".
Such an alarm, he said, will provide a homeowner with a visible indication of how many parts per million of carbon monoxide are in the air.
Diversity was viewed as a visible indication of the vibrancy of an inclusive, multicultural society, something to be celebrated and reflected throughout all levels of society.
And while he said the discrimination feels much less than in his home country of Romania, he still insists that on some occasions his wife not wear her traditional, colorful dress ― a visible indication of their Roma identity.
In stark contrast to other genre titles on the market, Dota 2 does not offer players any visible indication of their "ELO" or matchmaking skill rating.
Wild-type (WT) plants were grown hydroponically and then deprived of Pi for 12 days until the leaves began to accumulate anthocyanins (Additional file 1: Figure S1A), a visible indication that the tissues were beginning to experience P depletion.
While a number of players began the monitored training sessions not well-hydrated, prepractice urine-specific gravity (also the same between trials) was not statistically associated with body core temperature responses (which approached or reached 39°C for some players) during the 2 h practice sessions, and no players had any visible indications of excessive thermal strain.
No epithelium remained nor any morphologically visible indication of a specific infection.
The decrease in ΔΨm appeared to occur between M3 and M4 mitochondria, possibly indicating that this is the first visible indication of membrane transition, and thus, possibly the first release of IMS proteins.
"No visible indication of any reaction whatsoever," Rupp said.
There is no visible indication of what they are chasing but let's just presume it is refugees.
The first visible indication of the embryonic heart occurs in the undifferentiated mesoderm, the middle of the three primary layers in the embryo, as a thickening of invading cells.
