substituted by vs substituted for

Both "substituted by" and "substituted for" are commonly used phrases in English, but they are used in different contexts. "Substituted by" is used when mentioning the replacement of someone or something with another, while "substituted for" is used when referring to the action of taking the place of someone or something.

Last updated: March 30, 2024 • 807 views

This phrase is correct and commonly used in English when referring to the replacement of someone or something with another.

"substituted by "

Use "substituted by" when indicating that someone or something is being replaced by another person or thing.

Examples:

In the recipe, butter can be substituted by margarine.
The injured player was substituted by a younger athlete.
The old system was substituted by a more efficient one.

Show examples from the web [+]

In the former, consumption fell dramatically because the product concerned was substituted by other products.
Milk cannot be substituted by any other product and is not comparable to any known natural or synthetic substance.
Indeed, the investigation had established that the quantities used for captive use, by the companies concerned in the Union, could in principle be substituted by purchased glass fibres, e.g. if market circumstances and/or financial considerations would trigger such a change.
However, some measures underpinning the budget have been rejected by the parliament either in full or in part and therefore need to be substituted by new measures.
They will not be substituted by purchases elsewhere.
Life jackets for infants may be substituted by other approved flotation devices equipped with a survivor locator light.
These goals are very difficult to attain, and should be substituted by targets both more realistic and qualitative in nature.
This is generally explained by the fact that okoumé plywood has to a certain extent been substituted by other tropical wood species, such as red canarium, bankirai or meranti.
In the case of ovine and caprine animals for slaughter, the approved assembly centre may be substituted by approved dealer's premises situated in the Member State of origin.
Plan having been substituted by another plan, or not being any longer in force.
However, the Union industry could not benefit fully from these measures since the market shares of these countries have been substituted by low priced Chinese imports.
The EESC maintains that Regulation 4056/86 should be repealed and substituted by a new Commission Regulation for liner conferences granting a block exemption.
The main text represents an intrusion into private life, basic human and citizens' rights are defined in a narrow way, social rights are substituted by state objectives.
Data referred to in paragraph 2(f) may be substituted by safety critical data relating to the maintenance schedule.
For the purpose of uncertainty calculation only, hourly N2O concentrations below 20 mg/Nm3 shall be substituted by a default value of 20 mg/Nm3.
For portable tanks intended for the carriage of a single non-refrigerated liquefied gas, the 2,5 year internal examination may be waived or substituted by other test methods specified by the competent authority or its authorized body.
Where batches received by a collector are subdivided for delivery to more than one operator, the accompanying documents may be substituted by appropriate transport container labels, provided that the latter include the information referred to in paragraph 1.
Fuel, battery acid and other combustible, explosive or corrosive materials may be substituted by other materials provided that the conditions prescribed in paragraph 1.1. above are met.
Oxygen binding copolymer (as determined by the ASTM D 1434 and 3985 methods), obtained from benzenedicarboxylic acids, ethylene glycol and polybutadiene substituted by hydroxy groups
In the longer term, when investments in research and new technologies will be bearing fruit, energy demand can be even more reduced and, in particular, limited or otherwise problematic sources of energy can be substituted by alternatives.

Alternatives:

replaced by
exchanged for
swapped with
traded for
changed with

This phrase is correct and commonly used in English when referring to taking the place of someone or something.

"substituted for "

Use "substituted for" when indicating that someone or something is taking the place of another person or thing.

Examples:

She was substituted for her colleague in the meeting.
The substitute teacher was substituted for the regular teacher.
The new product was substituted for the old one.

Show examples from the web [+]

The question is this: if we accept that the Commissioner's information on the hazardous nature of copper is correct, then some other products will have to be substituted for it.
However, an embossment or perforation may be substituted for the Licensing Authority stamp.
A graphical reproduction of the full hazard pictogram in black and white or a graphical reproduction of the symbol only may be substituted for the colour pictogram provided in Regulation (EC) No 1272/2008.
declare the medical assessment which was substituted for the administrative proceedings still pending since 2001 to be illegal;
2. The date 29 July 1962 shall be substituted for 30 June 1962 in Article 9 (2) (a) of Council Regulation No 23.
When it defines the relevant market, the Commission considers only products which can be readily substituted for the products in question.
or to any other tax which may be substituted for any of the above taxes.
Blending components, when intended for processing into the finished products listed in Article 2, may be substituted for the products for which they are intended.
A replacement part shall be so designed and constructed that, when substituted for the part originally fitted to a vehicle, the braking efficiency of that vehicle accords with that of the approved vehicle type.
This amendment will therefore be substituted for that submitted by the rapporteur in his draft report.
One kind of violence is being substituted for another.
And the Structural Funds may not be substituted for insurance.
Subcutaneous administration cannot be substituted for intramuscular administration.
The duplicate would be substituted for the real plane and loaded with the passengers.
In fact, I even substituted for Bill O'Reilly a couple of times.
Montelukast should not be abruptly substituted for inhaled or oral corticosteroids.
That wording has been substituted for the word 'significant'.I regret that.
Scores of agents, males and females... to be substituted for Americans.
Accordingly, the description Logmore, Belmullet should be substituted for Loughmore, Blacksod Bay.

Alternatives:

replaced with
exchanged with
swapped for
traded with
changed for

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substituted by vs substituted for

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