The phrase "additional symbol" is correct and usable in written English.
You can use it when referring to a symbol that is added to something, often in contexts like mathematics, programming, or design.
Example: "In the equation, we need to include an additional symbol to represent the variable."
Alternatives: "extra symbol" or "supplementary symbol".
A Raptor code has the property that the decoding success probability increases with each received additional symbol.
The 5-methyl-oxazole of AD-7075 has the additional symbols aasC and sCH3 whereas the benzo-oxazole of BRL48482 has the additional symbol aaaC.
This same person is known to make comments on Facebook at 3 or 4 AM when they can't sleep or to report that someone isn't returning their phone calls with the additional symbol of a 'sad face' using parentheses and a colon for emphasis.
Currently the most popular system is the R2 Image Checker, which will detect potential masses and microcalcifications and has an additional symbol for lesions with a high probability of malignancy.
When the N-terminal of a peptide is actually the N-terminal of a protein, RAId_DbS insert an additional symbol "[" in front of the peptide. An example of such is seen in the last peptide shown in Table 1.
For each step only two operations were allowed in the process to get the LZ complexity: either copying the longest section from the part of a nonempty sequence or generating an additional symbol mark that ensures the uniqueness of per component S(i k −1 → i k ).
It has a syllabary of 30 consonants and five vowels; six additional symbols are used in writing Sanskrit words.
The automatic mode adds an additional symbols to the synchronization preamble.
For instance, in case 3, the 10−7 decoding failure probability is achieved with two additional symbols for RaptorQ codes and four symbols in our case.
Additional symbols used: n = peak width in channels, m = number of channels used each side of the peak to determine the continuum.
The basic element can be grouped according to some rhythmic pattern or it can be further augmented with additional symbols or other music notes, forming various grouped entities.
