orange stain

or·ange stain

(ōrănj stān)
Anterior dental discoloration likely due to chromogenic bacteria.
References in periodicals archive ?
One witness told Gulf News the waste was discovered "off the beach at dusk and all morning there has been a bright orange stain on the sea.
Citrate phosphate buffer (CPB), Phosphate buffered saline (PBS), Glutarldehyde, Isopropanol, Malachite green stain, Acridine orange stain (Himedia), Peptone water, Nutrient broth (NB) (Himedia, India), Nutrient agar (NA) (Himedia), Tryptone soya broth (TSB) (Himedia), Mueller Hinton Agar (MHA) (Himedia).
Once or twice I'd notice he'd even leave an orange stain on the bedsheets.
And while the Record has not managed to uncover the drink's secret recipe, we can expose the other mystery which has puzzled fans for years - how to get the drink's orange stain out of your carpets and furnishings.
If the answer is black and the paste is black, then it is PPD henna - pure henna will leave an orange stain that will go brown.
Filled with an orange stain, it is simultaneously the bloody orbit of Oedipus and the oblate disk of the setting sun.
Orange Stain Devil - grease, oils, shoe polish, ball point and felt tip pens and stains of unknown origin
Wow," she said, "I had an orange stain that has completely disappeared and my teeth look really white.
Just be careful when applying ferrous sulfate around sidewalks or other concrete surfaces - this is a chemical compound that will produce a rusty orange stain on such surfaces.
Wet preparation and acridine orange stain of the blood specimen showed gram-negative pleomorphic rods.
The makeup man had a running joke that he couldn't get the orange stain off Jake's mouth.
The dust can also cause orange stains when it comes into contact with skin.